Question

. Jane made a door frame for the house but does not have a tool to measure the angles. How can she check that the corner is 90 degrees?

Answer 1

She needs to measure the length of the diagonal and two sides of the frame. Then she needs to find the square of each measure. If the sum of the squares of the two smaller sides equals the square of the diagonal, then she created a right triangle.

Explanation:

edg 2022

Answer 2

She can use any square object around her. Since squares are made up of right angles, any side she chooses can be used to compare the angle of the door. If the square corner fits perfectly, the angle is 90. If the square fits with space, obtuse. If the square doesn’t fit, acute