Question

An envelope is classified as a large envelope if the length exceeds 11.5 inches . What is the length of the envelope shown? Round to the nearest tenth

Answer 1

Answer: 12.6

Explanation:

Pythagorean theorem;

The diagonal in the rectangle creates two right triangles, with a hypotenuse length of 14 inches. One of the side lengths of this right triangle is 6 inches.

Using the Pythagorean =Theorem, you can use the formula 14^2-6^2= 160.

the square root of 160 is 12.64911064. Round to nearest tenth