Robert sketches two rectangular prisms, A and B. Prism A's side lengths are 5 centimeters, 6 centimeters, and 7 centimeters. Pri
sm B's side lengths were twice those of prism A's: 10 centimeters, 12 centimeters, and 14 centimeters. Robert says the surface area of prism B is twice the surface area of prism A. Is he correct? If he is not, how many times as great as prism A's surface area is prism B's surface area? Drop down box answers are correct/incorrect.
1 answer:
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Answer:
D
Step-by-step explanation:
We really don't care about because it's not something the question wants, so let's just focus on
.
reflected across the
-axis is the same as flipping the sign of the
coordinate. So,
.
So, the answer is and we're done!