Answer:
40
Step-by-step explanation:
5 x 5 is 25 so 2 x 5, 20 times makes 40
Answer:
60
Step-by-step explanation:
90÷2=45
45+75+m=180(sum of triangle)
120+m =180
m=180-120
m=60
-2x^2 + 8 because if you turn it into vertex form and determine
Answer:
Step-by-step explanation:triangle P: 12, 24, and 30
triangle Q: 9, 40, and 41
triangle R: 5, 18, and 21
Which triangle is a right triangle? Explain your reasoning.