Question

Classify the triangle based on the side lengths 7, 15 and 21
A. right
B. acute
C. obtuse
D. no triangle can be formed with given side lengths

Answer 1

d

Answer 2

are u sure?

Answer 3

id say B. personally

Answer 4

All the sides of a triangle added together has to equal 180 degrees.

Answer 5

I know its not d. i think b but i dont know how to check if it is right.

Answer 6

It definitely isn't A or D

Answer 7

I would go with obtuse, now we have all answers covered, lol I know it is not a right triangle.

Answer 8

Try the Pythagorean theorem a^2+b^2=C^2

Answer 9

yea it isnt d its most likey A and its not obtuse because it isnt even

Answer 10

I go with OBTUSE as well

Answer 11

Use a ruler and try to draw a triangle using those measurements.

Answer 12

Maybe we should just solve for it.

Answer 13

Good thinking :D

Answer 14

That's an acute :)