Answer:C. 36
Step-by-step explanation: height is 12 base is 9
12^2+9^2= 144+81=225 sq rt of 225 =15
So 12+9+15=36
Step-by-step explanation:
Find negative square root of 16. (4 points) a −4 b 4 c ±4 d −8
Answer:
it is 7x-4
Step-by-step explanation:
It’s 2x3x3x5 because 9 isn’t prime
Answer:
Step-by-step explanation:
Vertics= 6
Faces=6
Bases=1
Edges =10