Suppose each edge of the cube shown in the figure is 7 inches long. Find the measure of the angle formed by diagonals CF and 0 CH . Round your answer to the nearest tenth of a degree.
A)
B)
D)

Question

Suppose each edge of the cube shown in the figure is 7 inches long.  Find the measure of the angle formed by diagonals CF and 0 CH . Round your answer to the nearest tenth of a degree. ​
A)​ 
B)​ 
D)​

Quizplus · Accepted Answer

Diagonals CF and CH pass through the center of the cube, so they are perpendicular bisectors of each other. Therefore, they form a right angle. The measure of a right angle is 90 degrees, which is closest to choice (C) 88.2 degrees when rounded to the nearest tenth.

Suppose Each Edge of the Cube Shown in the Figure