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Yanka [14]
2 years ago
13

How do you find the apothem of a pentagonal pyramid?

Mathematics
1 answer:
Archy [21]2 years ago
7 0
<span>use the formula: Volume=1/3 x(times) the area of the base x(times) height</span>
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Multiplying an odd number of negative factors equals a negative

-5* 2n -1

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Angle of elevation is 40. If I’m 30 ft from base of a tree what is height of tree
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3 years ago
What digit is in the hundredth place of 6.589
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Pls help (9th honors geo - circles)
Mariana [72]

• Angles DXC and AXB form a vertical pair, so they are congruent and have the same measure.

• ∆ABD is isosceles, since it's given that AD and BD are congruent. This means the "base angles" BAD and ABD have the same measure; call this measure <em>x</em>.

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m∠ADB = 1/2 (100°) = 50°

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• The interior angle to any triangle sum to 180° in measure. So we have in ∆ABD,

m∠ADB + 2<em>x</em> = 180°

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2<em>x</em> = 130°

<em>x</em> = 65°

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m∠BAC = 1/2 (50°) = 25°

• Now in ∆ABX, we have

m∠AXB + 25° + 65° = 180°

m∠AXB = 90°

Hence m∠DXC = 90°.

6 0
3 years ago
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