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ValentinkaMS [17]
3 years ago
7

Which of the following polynomial equations are valid identities?

Mathematics
1 answer:
Margarita [4]3 years ago
7 0
Only a is valid because
<span>(a + b)(2a + 1) = a(2a + 2b +1)</span>
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????? Anyone that can help giving 10 points
katen-ka-za [31]

Step-by-step explanation:

we know that perimeter of triangle is equals to side + side + side

but we can see that the particular triangle is having all the sides equal so it is seen to be equal lateral triangle and formula of equilateral triangle is 3 × sides.....

So,We will take sides common.....

Perimeter of equilateral triangle= 3×Side

3×4.6 cmsq.

13.8cmsq. Answer

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3 years ago
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