3 years ago

Question 12(Multiple Choice Worth 5 points)

Mathematics

1 answer:

kolezko [41]3 years ago

3 0

Step-by-step explanation:

answer: counterclockwise rotation about the origin by 90degrees followed by reflection about the x-axis.

please give me brainliest:)

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Please someone help me !! :(

geniusboy [140]

Answer: 27 times bigger.

Step-by-step explanation:

You need to use the following formula to find the volume of a Square pyramid:

$V=\frac{1}{3}s^2h$

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Knowing that:

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You can find the volume of the Pyramid A and the volume of the Pyramid B:

$V_A=\frac{1}{3}(12\ in)^2(8\ in)\\\\V_A=384\ in^3\\\\\\V_B=\frac{1}{3}(36\ in)^2(24\ in)\\\\V_B=10,368\ in^3$

Finally divide the volume of the Pyramid B and the volume of the Pyramid A, in order to find how many times bigger than the Pyramid A is the Pyramid B.

You get:

$\frac{10,368\ in^3}{384\ in^3}=27$

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