2. A tunnel with an elliptical cross-section is built over the highway. The length and height of the elliptical arc of the tunnel are 12 meters and 8 meters, respectively, as illustrated in Fig. 8 meter 12 meter Investigate and analyze whether a freight truck 7 meters wide and 6.75 meters high can pass through the tunnel without causing any damage? Explain!

2. A tunnel with an elliptical cross-section is built over the highway. The length and height of the elliptical arc of the tunnel are 12 meters and 8 meters, respectively, as illustrated in Fig. 8 meter 12 meter Investigate and analyze whether a freight truck 7 meters wide and 6.75 meters high can pass through the tunnel without causing any damage? Explain!

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter6: Circles

Section6.2: More Angle Measures In The Circle

Problem 20E: A quadrilateral RSTV is circumscribed about a circle so that its tangent sides are at the endpoints...

See similar textbooks

Similar questions

The center of a circle of radius 2 inches is at a distance of 10 inches from the center of a circle of radius length 3 inches. To the nearest tenth of an inch, what is the approximate length of a common internal tangent? Use the hint provided in Exercise 38. HINT: use similar triangles to find OD and DP. Then apply the Pythagorean Theorem twice.
Which lines or line segments or rays must be drawn or constructed in a triangle to locate its aincenter? bCircumcenter? corthocenter? dcentroid?
The oblique circular cone has an altitude and a diameter of base that are each of length 6 cm. The line segment joining the vertex to the center of the base is the axis of the cone. What is the length of the axis?
Determine the arc length from point C to point D on the template shown.
In order to make a conical duct, a circular sheet of metal is to be cut in the shape of a sector of a circle. If the radius of the sector is 28.5 in. and the arc length of the of the sector is 26.4 in., what are the central angle, , and area of the sector?
A goat is tethered to a barn by a 12-ft chain. If the chain is connected to the barn at a point 6 ft from one end of the barn, what is the area of the pasture that the goat is able to graze?
If MNPQ is a rhombus, which formula from this section should be used to calculate its area? Exercise 46
The center of a circle of radius 3 inches is at a distance of 20 inches from the center of a circle of radius 9 inches. What is the exact length of common internal tangent AB? HINT: Use similar triangles to find OD and DP. Then apply the Pythagorean Theorem twice.
Does a rectangle have a an incenter? b a circumcenter?
A quadrilateral RSTV is circumscribed about a circle so that its tangent sides are at the endpoints of two intersecting diameters. aWhat types of quadrilateral is RSTV? bIf the diameters are also perpendicular, what type of quadrilateral is RSTV?