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avanturin [10]
3 years ago
14

The radius of circle A is 4 times greater than the radius of circle B. Which of the following statements is true?

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
8 0
The radius of circle B is 1/4 the size of circle A
andriy [413]3 years ago
7 0

Answer: the diameter of circle b is also less than circle a ?

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What’s the answer to this?
inna [77]

Since the triangle is equilateral, all its angles are equal to 60°

AO is the bisector⇒∠OAD = 30°

AO is the hypotenuse, ∠OAD = 30°⇒

OD=5*2=10m

By the Pythagorean theorem

10^2=AD^2+5^2\\AD=\sqrt{100-25} \\AD=\sqrt{75}

AC=AD+DC=2\sqrt{75}=10\sqrt{3}

S=\frac{a^2\sqrt{3} }{4}

S=\frac{(10\sqrt{3})^2\sqrt{3}  }{4} =\frac{300\sqrt{3} }{4} =75\sqrt{3} m^2

Answer: A) S=75\sqrt{3}m²

P.S. Hello from Russia and sorry for my bad english :^)

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Hello User!

Correction "Math"

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Butter and flour are mixed in the ratio 2 : 3.Chris has 640 grams of butter and 880 grams of flour.How much more flour does he n
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he need 1000 grams of all

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I believe it is context clues. The reader typically looks for context clues to understand the reading.
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What the slope of(7,3) (6,-2)​
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♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

slope =  \frac{ - 2 - 3}{6 - 7}  \\

slope =  \frac{ - 5}{ - 1}  \\

slope = 5

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