Answer:
what graph
Step-by-step explanation:
Answer:
30
Step-by-step explanation:
DE=10
AE=12
AD=8
So the perimeter is 30
Yes the answer is -7(8-9)
Answer:
225 in.²
Step-by-step explanation:
Surface area of triangular prism = bh + (s1 + s2 + s3)*L
Where,
b = 4.5 in.
h = 6 in.
s1 = 7.5 in.
s2 = 4.5 in.
s3 = 6 in.
L = 11 in.
Plug in the values
Surface area = 4.5*6 + (7.5 + 4.5 + 6)*11
Surface area = 27 + 198 = 225 in.²