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1 vote
A triangle has sides with lengths of 15 inches, 15 inches, and 19 inches. Is it a right triangle?

yes
no

2 Answers

6 votes
No it isn't a right triangle
User Jaber
by
4.1k points
3 votes

To check if this triangle is a right triangle, we can use the Pythagorean theorem (shown below).

a^2 + b^2 = c^2

(15)^2 + (15)^2 = (19)^2

225 + 225 = 361

450 = 361 - False

This triangle is NOT a right triangle.

Hope this helps! :)

User Polak
by
4.4k points