Question

Seraphina says that angle KLM is a right triangle. Is she correct? Explain.​

Answer 1

No, she isn't correct

Explanation:

It may look like the triangle is a right triangle, and if so it would be that m∠KML is 90 degrees. For the moment, let us assume that it is a right triangle, that ∠KML is 90.

That would mean that Pythagorean Theorem is applicable:

KL^2 = KM^2 + ML^2,

(19)^2 = (12)^2 + (16)^2,

361 = 144 + 256,

361 = 400,

361 ≠ 400,

(This means that Pythagorean Theorem is not applicable, and KLM is not a right triangle)

Answer 2

Incorrect

Explanation:

The angle is acute,which means under right triangle's usual size.

You need at least 90 cm to have a right triangle so no she is incorrect