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3 years ago

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If the area of a circle measures 25π cm2, what is the circumference of the circle in terms of π? A) 5π cm B) 10π cm C) 50π cm D)

100π cm

2 answers:

Bad White [126]3 years ago

8 0

the answer to the question is a.) 5rr cm because 5rr is right on brainly i've had it

Sliva [168]3 years ago

6 0

<h2><em><u>Answer:</u></em></h2><h2><em><u>The correct answer is B) 10 pi cm</u></em></h2><h2><em><u>Step-by-step explanation:</u></em></h2><h2><em><u>10π cm </u></em></h2><h2><em><u /></em></h2><h2><em><u>A = πr2 </u></em></h2><h2><em><u>25π = πr2 </u></em></h2><h2><em><u>25 = r2 </u></em></h2><h2><em><u>5 = r </u></em></h2><h2><em><u /></em></h2><h2><em><u>C = 2πr </u></em></h2><h2><em><u>C = 2π(5) </u></em></h2><h2><em><u>C = 10π</u></em></h2>

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1. Ans: Option (B) $-6x^4$

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3. Ans: Option (B) $9x^2 - 12x + 6$ <span> quadratic trinomial

Explanation:
</span>Given: $6 - 12x + 13x^2 - 4x^2$

The standard form of polynomial function must have the highest powered value at the start, then the second highest and so on.

=> $13x^2 - 4x^2 - 12x + 6$
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Explanation:
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</span>Common guppies: $3.1x^2 +6.0x + 0.3$ <span>
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Hence the ans is Option(C) $7.3x^2 + 0.8x + 1.3$

5. Ans: Option (D) $2x^2(133 - 18 \pi )$

Explanation:
First let's find the total area of the yard:
Total Area of the Yard = 14x * 19x = $266x^2$

Now the area of the circular fountain:
Area of the Circular Fountain = $\pi r^2$
Since, r=6x
Therefore,
Area of the Circular Fountain = $\pi (6x)^2 = 36 \pi x^2$

Now the final Area of the yard would be:
Final area of the Yard = Total Area of the Yard - Area of the Circular Fountain
Final area of the Yard = $266x^2$ - $36 \pi x^2$
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Explanation:
First let's find the total area of the lot:
Total Area of the lot= 6x * 10x = $60x^2$

Now the area of the stadium:
Area of the stadium = 1x * 4x = $4x^2$

Now the final Area of the lot would be:
Final area of the lot= Total Area of the lot - Area of the stadium
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=> Final area of the lot = $56x^2$ (Option A)

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3 years ago

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