Question

A triangle has side lengths of 15, 20, and 25. What type of triangle is it?

a.) right
b.) equiangular
c.) acute
d.) obtuse
​

Answer 1

The answer is a. right.

Explanation:

GIVEN:

hypo=25

opposite and adjacent=15 and 20.

FORMULA:

hypotenuse^2 =opposite side^2 + adjacent side^2

25^2=15^2+20^2

625=225+400

400+225=625

(Got this from yahoo answers, everybody said right.)

Answer 2

Acute triangle is the answer