r=9b_9a =r+9a/9=9b/9=b=r+9a/9
Answer:
wedf
Step-by-step explanation:
affwa
Part a:-
The base of each triangle is 4 inches long.
Their height is 3/2 * 4 = 6 inches.
b
The combined area of the triangular faces = 4 * 1/2 * 4 * 6 = 48 sq ins
c
Surface area of the pyramid = 48 + area of base = 48 + 16 = 64 sq ins.
Answer:
200
Step-by-step explanation:
3+3+4=10
500/10=50
Jack 50*3=150
Joseph 50*3=150
Emily 50*4=200