Exs. 25, 26

Q: Two spheres have radii a and b. Prove that the ratio of the areas is a 2  : b 2

A: We know that area of a sphere A=4πr2 Where r is the radius of a sphere.

Q: Find the radius of a cone if it has a volume of 960r in', and a height of 20 in. V= 1 - Tr²h 3

A: We have to find the radius

Q: Find the volume of the parallelepiped with adjacent edges PQ, PR, and PS where P(-2,1,0) Q(2, 3, 2)…

A:

Q: Let AABC be a triangle and let D be a point on the side BC. Prove that the ratio of the areas of…

A: Sketch the triangle ABC.

Q: A hemisphere is shown below with its circular base centered at point C. Point A is located on the…

A:

Q: Find the volume of a cone to be constructed from a sector having a diameter of 72cm and a central…

A: volume of a cone to be constructed from a sector having a diameter of 72cm and a central angle of…

Q: Find the volume of the by 2j + i, i – j, and k.

A:

Q: The volume of the sphere with the radius 5 is cubic units O 125 125 3 O 500 3 O 250 250 3 O 750 3

A: Volume of sphere

Q: Find the surface area of a sphere is the area of the great circle is A 81T in? Your answer: O SA =…

A:

Q: The volume of a sphere is given by 36t in. What is the radius of this sphere? O 5 in O 4 in O 6 in O…

A: Given: Volume of sphere =36π   Let the radius of the sphere is "r"We know that Volume of the sphere…

Q: The formula for the surface area of a sphere with radius ris V= tr. O True False

A: False.

Q: Determine the volume of a frustum of a cone if the diameter of the ends are 6 cm. and 8 cm. and its…

A: here slant height = 8 cm base radius R= 4 cm above radius r = 3 cm now from from this two radius we…

Q: 17. Find the volume of the given circular frustum of height h and radii a and b.

A:

Q: f AB is a diameter of C(O,r) and if P≠A,B is a third point on C(O,r) then ∠APB=90∘.

A: Given  AB is a diameter of CO,r and if P≠A,B is a third point on CO,r

Q: 6 12 8. 10

A: Figure of the solid is given , we have to find its volume

Q: Find the volume of the oblique circular cylinder. The axis meets the plane of the base to form a 45°…

A: To find the volume of the oblique circular cylinder. The axis meets the plane of the base to form a…

Q: Find the volume of the following sphere: 15.6 in

A: Volume of sphere , V =43πr3 where r is radius of sphere .

Q: The radii of parallel circular sections of a sphere are 4 in and 4.8 in, while the radius of the…

A: Here we are given ,    r1 = 4    , r2=4.8   and R =5To find h:  O: Centre of sphere⊙ AO  = OD =…

Q: The volume of the cone is 9.42 in3. What is the height of the cone? Use T= 3.14. 3 in

A:

Q: 2. The EXACT surface area of a cylinder is 468A in?. If the radius is 13 in, find the height. height

A:

Q: The length of the radius of the inscribed circle of a regular n-gon is called the apothem of the…

A: Let A denote the area of a regular n-gon and P be the perimeter of a regular n-gon. The regular…

Q: Find the surface area of a cylinder with a base radius of 2 in and a height of 6 in. Write your…

A: base radius = 2 in height = 6 in find the surface area of cylinder = ? surface area of cylinder = A…

Q: Find the RADIUS of a CONE with a volume of 10lcm and a height of 6 cm. A. 2 cm C.8 cm B. 16 cm D. 4…

A: We have to find radius

Q: The larger figure has the dimensions of 10 in by 11 in by 12 in. If the hemisphere with a radius of…

A:

Q: 2. The EXACT surface area of a cylinder is 468a inº. If the radius is 13 in, find the height.…

A: The solution is:

Q: Find the volume of the sphere if the circumference of the great circle is 20n cm. Hint: C=2nr C 20…

A: To find the volume of the sphere if the circumference of the great circle is 20π cm. Solution: Given…

Q: Find the surface area of a cylinder with a base radius of 2 in and a height of 6 in. Write your…

A:

Q: Find the SURFACE AREA of the rectangular pyramid. SHOW ALL WORK! 9 in 5 in 5 in

A: Find the  surface area of rectangular pyramid

Q: Find each measure in OP if mZWPX = 28° , mZZPY = 38°, and WZ and XV are %3D %3D diameters. 1. XY W…

A: Given Data: The measure of angle WPX is: m∠WPX=28° The measure of angle ZPY is: m∠ZPY=38° Diameters:…

Q: Find the altitude of the zone whose area is 240π in2 if the radius of the corresponding sphere is 12…

A: We have to find the altitude of the zone whose area is 240π in2 if the radius of the corresponding…

Q: Find the volume of a right cir thet h eg

A: the question is taken from the volume of the different shape in which we have to find the volume of…

Q: A powdered drink mix container is in the shape of a right circular cylinder. The dimensions of the…

A: The container is in the form of a cylinder Here diameter is 6 in , Radius is diameter divide by 2…

Q: Use trigonometry to find the volume of the regular pyramid below to the nearest cubic unit.

A: Given :The regular pyramid. Calculation: The formula for the volume of pyramid is the one third of…

Q: Use the net for the next two questions -30 in. 20 in. 20 in. What is the total surface area of the…

A:

Q: Find the SURFACE AREA of the smaller cones given the radius of each cone below. * S, - ? S, - 144 m…

A:

Q: Refer to figure and find the volume generated by rotating the given region about a specified line.…

A: After rotating region R2 about line BC, it will look like

Q: A grain silo is formed by attaching a hemisphere to the top of a right circular cylinder. If the…

A:

Q: Find the Surface Area in terms of * AND as a decimal. 2 km NOTE: Diagam is not to soule O 32* km,…

A: The diameter of the sphere is, 2 km  So, its radius is, 1 km    If, r = radius then, The surface…

Q: Find each measure in OP if MWPX = 28", mZPY= 38", and WZ and XV are %3D diameters. 1. YZ 5. ZXPY W…

A: *given:- angle WPX = 28° angle ZPY = 38°

Q: 3em 10 cm

A: Given: Radius of cylinder r= 3 cm Height of the cylinder h= 10 cm Angle of cone θ=65° Find the…

Q: Use the net for the next two questions. 30 in. 20 in. 20 in. What is the total surface area of the…

A:

Q: Find the volume of the sphere. Either enter an exact answer in terms of TT or use 3.14 for T. 9. .3…

A: →Volume of sphere = 43 π r3                                                 where 'r' is the radius…

Q: 41 in. 40 in. 12 in.

A: lateral area = 5 *area of triangle surface area = lateral area +base area volume = 5/12tan54 degree…

Q: The volume of an oblique prism is always greater than that of a right prism that contains a base…

A: We can answer the question as below.

Q: Find the volume of a sphere with a surface area of 2304r in?. The volume is in3. (Type an exact…

A: Surface Area and volume of sphere

Q: The volume of an oblique prism is always equal to a right prism that contains a base shape congruent…

A: Given,  The statement about oblique prism and right prism  We have to identify the truthfullness of…

Q: A cone has a volume of 21z in. Which are possible dimensions of the cone? Select all that apply. A…

A: Given: The volume of the cone is 21π in3, To determine: The possible dimension of the cone out of…

Q: The volume of a sphere is given by 36x in. What is the radius of this sphere? O 6 in О 4 in О 5in О…

A:

Q: What is the volume for the cone 6 In. 4.5 In.

A: Volume=13πr2h

Q: Two spheres have radii a and b. Prove that the ratio of the volumes is a 3 : b 3

A: Given two spheres have radii a and b. To prove that the ratio of the volumes is a 3 : b 3 .