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12345 [234]
2 years ago
8

In the diagram below, A8 is parallel to CD. What is the value of y? Help me

Mathematics
1 answer:
Anna11 [10]2 years ago
4 0

Answer:

C. 108

Step-by-step explanation:

The angles are known as same-side interior angles. They are supplementary angles so their sum is 180°.

y+72=180\\y+72-72=180-72\\y=108

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Step-by-step explanation:

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2 years ago
What is the answer to this?
Trava [24]

Answer:

<h2>C. 97.6 in³</h2>

Step-by-step explanation:

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V=\pi r^2H

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2r=4\ in\to r=2\ in\\\\H=8\ in

Substitute:

V_1=\pi(2^2)(8)=\pi(4)(8)=32\pi\ in^3

The formula of a volume of a cone:

V=\dfrac{1}{3}\pi r^2H

We have

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Substitute:

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The volume of the plastic object:

V=V_1-V_2

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