Lmn is a right triangle. a. true b. false.

we know that

If triangle LMN is a right triangle then must meet the Pythagorean Theorem

so

Applying the Pythagorean Theorem

substitute the values

------> is true

The triangle LMN is a right triangle

therefore

the answer is the option A True

answer:      

step-by-step explanation:

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!