I need answer ASAP. What are the number of faces: What's the surface area of the shape? What is your work/equation for the answer of the surface area?| I WILL MARK BRAINLIEST.
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Answer:
The number of faces is 7.
The surface area is : 278 cm2
Step-by-step explanation:
below: 7x10=70cm2
up: 3x10=30cm2
behind: 5x10=50cm2
front: 2x10+5x10=70cm2
right: 2x7+3x3+4x3/2=29cm2
left: 29cm2
Answer:
surface area =
(2×10) + (5×10) + (3×10) + (5×10) + 2((7+3)×3) +2(2×7)