Use pythagorean theorem for all of them
a. 3, 4, 5
3^2+4^2?5^2
9+16?25
25=25
right
b. 5, 6, 7
5^2+6^2=7^2
25+36=49
61>49
acute
c. 64+81=144
145>144
acute
hope this helps!
Answer:square root 130
Step-by-step explanation:
Answer:82+31=113 180-113=67 so the answer is 67
Step-by-step explanation:
Answer:
32
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
