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

Explanation:

Use a contour gauge

Answer 2

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:

Edge 2021