A cross staff of 1 cm notch is used to find the diameter of a celestial object at a distance of 42 x 10° m away from earth. Find the diameter of the object if the distance between eye and the cross staff is 15 cm. Round off the answer to two decimal places and write in the scientific representation. Answer:

A cross staff of 1 cm notch is used to find the diameter of a celestial object at a distance of 42 x 10° m away from earth. Find the diameter of the object if the distance between eye and the cross staff is 15 cm. Round off the answer to two decimal places and write in the scientific representation. Answer:

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter61: Areas Of Circles, Sectors, And Segments

Section: Chapter Questions

Problem 38A: Three pieces, each in the shape of a sector, are cut from the rectangular sheet of steel shown. How...

See similar textbooks

Similar questions

The cross section of a dovetail slide is shown. Before the dovetail was cut, the cross section was rectangular in shape. Find the cross-sectional area of the dovetail slide. Round the answer to 1 decimal place.
Three pieces, each in the shape of a sector, are cut from the rectangular sheet of steel shown. How many Square meters are wasted after the three pieces are cut? Round the answer to the nearest tenth meter.
A lawn roller in the shape of a right circular cylinder has a radius of length 18 in. and a length height of 4 ft. Find the area rolled during one complete revolution of the roller. Use the calculator value of , and give the answer to the nearest square foot.
Find the number of cubic inches of material contained in the tapered shaft shown. Round the answer to the nearest hundredth cubic inch.
Determine the size of x to the nearest hundredth degree.
An artist wants to make a small monument in the shape of a square base topped by a right triangle, as shown below. The square base will be adjacent to one leg of the triangle. The other leg of the triangle will measure 2 feet and the hypotenuse will be 5 feet. (a) Use the Pythagorean Theorem to find the length of a side of the square base. Round your answer to the nearest tenth of a foot. (b) Find the exact area of the face of the square base.
Use your calculator to find, to two decimal places the lengths of the radius and the diameter of the circle with area 56.35 in2.
The central angle corresponding to a circular brake shoe measures 60. To two decimal places how long is the curved surface of the brake shoe if the length of the radius is 7 in.
Find the length of the missing side. Round to the nearest tenth, if necessary.
Find the number of cubic centimeters of material contained in the jig bushing shown. Round the answer to the nearest tenth cubic centimeter.
A section of a piece of round stock with a V-groove cut is shown. Find the sectional area of the stock. Round the answer to the nearest square millimeter.