The formula of a volume of a cone:
Substitute:
Write an equation and then use it to solve: Sasha gives half of her books to the local library and keeps the other half. Her bes
1 answer:
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We can use the vertical angle theorem which states that any two opposite angles are congruent. So, you can just set the two measures equal to each other and solve for x:
So, your answer is 20°.
So, your answer is 20°.