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alisha [4.7K]
3 years ago
15

302+ 412 = 577 Use rounding or compatible numbers to estimate the sum

Mathematics
1 answer:
allochka39001 [22]3 years ago
5 0
Rounding numbers or compatible numbers are usually use to be able to calculate a certain number easier and faster.
For the given equation, we have 302 + 412 which is equals to 714 not 577.
Now, let’s look for a rounding or compatible number to estimate the sum.
=> 302, we have 300 as rounding number or compatible numbers
=> 412, we can have 415 as rounding numbers
=> 300 + 415 = 715.
The exact answer is 714 and our estimated is 715.



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m∠U = 103° and m∠TRS = 6°

Step-by-step explanation:

In the given circle O,

Since, RS║VU, and VR is a transverse,

Therefor, m∠V + m∠R = 180° [Consecutive interior angles]

m∠R + 103° = 180° [m∠R = 103° given]

m∠R = 180° - 103°

m∠R = 77°

Since m∠R = m∠VRT + m∠TRS

77° = 71° + m∠TRS

m∠TRS = 77° - 71° = 6°

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Therefore, m∠U + m∠R = 180°

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The formula for determining the volume of the square base pyramid is expressed as

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From the information given,

Length of square base = 6 cm

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3 years ago
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