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yuradex [85]
3 years ago
6

Estimit of 612 times 87 pleaseeeee

Mathematics
2 answers:
ANEK [815]3 years ago
8 0

54900 not very hard just do 610 by 90

kumpel [21]3 years ago
5 0

Hello there!

This question is so easy to me.

Explanation:

↓↓↓↓↓↓↓↓↓↓↓

First you had to multiply by the numbers.

612*87=53244

=53244

<em><u>Answer⇒⇒⇒53244</u></em>

Hope this helps!

Thank you for posting your question at here on Brainly.

Have a great day!

-Charlie

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Step-by-step explanation:

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Answer:

1. 90°

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Step-by-step explanation:

<u>Given:</u> ΔABC,

CD⊥AB,

m∠A=50°,

m∠ACB=85°

<u>Solution:</u>

1. ∠ADC is a right ange, because CD⊥AB, so

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2. ∠CDB is a right ange, because CD⊥AB, so

m\angle CDB=90^{\circ}

3. Consider triangle ACD. The sum of the measures of all interior angles is always 180°, so

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4. By Angle Addition Postulate,

m\angle ACD+m\angle BCD=m\angle ACB\\ \\40^{\circ}+m\angle BCD=85^{\circ}\\ \\m\angle BCD=85^{\circ}-40^{\circ}=45^{\circ}

5. Consider triangle ABC. The sum of the measures of all interior angles is always 180°, so

m\angle A+m\angle ACB+m\angle B=180^{\circ}\\ \\50^{\circ}+85^{\circ}+m\angle B=180^{\circ}\\ \\m\angle B=180^{\circ}-50^{\circ}-85^{\circ}=45^{\circ}

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Step-by-step explanation:

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The pyramid has a greater volume.
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