How do i prove that they are right triangles ?
2 answers:
If it is 90 degreees at the angle
Answer:
You use the Pythagorean Theorem or a²+b²=c²
a and b are the two shorter sides, c is the hypotenuse, the longest side.
Step-by-step explanation:
I will do them for you:
12²+16²=20²
144+256=400
400=400
Triangle XYZ is a Right Triangle :)
15²+20²=25²
225+400=625
625=625
Triangle PQR is a Right Triangle :)
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Answer is D or a
Step-by-step explanation:
Answer:
answer is option C
3+7=10
7-3=4
Step-by-step explanation:
I think it's right answer is c
False because -21/-7=w is 3 and 3/-7 cannot be -21
