Step-by-step explanation:
so for this one u do

231 the times it by 2 for the both sides
231×2=462 cm2
hope this make sense :)
Answer:
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Step-by-step explanation:
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Answer:
x = 28
Step-by-step explanation:
15 + 3x = 99
-15. -15
<u>3x</u> = <u>84</u>
3. 3
x = 28
M∠A′B′C′ = m∠ABC would be the answer for this. if you could give me a pic, I could answer. I don't see Triangle ABC
Answer:
multiply by 10 on both sides
that is to get rid of the denominator