Which statement explains why one of these triangles is a right triangle? HELP ME!!

Triangle B

Step-by-step explanation: Look at the square figure on one of the corners. That means that your triangle is a right triangle, which means, its measurement on that corner is 90 degrees

Triangle B has a right angle because it is on the corner and the right angle is a perfect square.

right angle=to 90 degrees

Hope that was helpful.Thank you!!!

we know that

applying the law of sines

°

so

∠j=18°

∠k=29°

∠l=180-(18+29)=133°

the answer part a) is

the measure of angle k is  ≈29°

part b)  the measure of angle k could also be

(180-29)=151°

so

∠j=18°

∠k=151°

∠l=180-(18+151)=11°

the answer part b) is

the measure of angle k could also be 151°

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answer: a and b

step-by-step explanation: