Question

A triangle with the side lengths, 1.8 mi, 8 mi, 8.2 mi, is NOT a right triangle.

a.true
b.false

Answer 1

B. False

Explanation:

Use the Pythagorean Theorem:

a^2+b^2=c^2

1.8^2+8^2=c^2

3.24+64=c^2

c^2=67.24

67.24=8.2^2

So the shape is a right triangle.