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Help me with simplified expressions of a side length of a triangle, please!

Help me with simplified expressions of a side length of a triangle, please!-example-1
User Leolobato
by
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1 Answer

4 votes

Answer:

2w³ +w

Explanation:

Given expressions for the sides of a triangle, (-10w³+w) and (4w³-3w), and for the perimeter, (-4w³-w), you want an expression for the third side.

Perimeter

The perimeter is the sum of the side lengths. This relation can be used to find the length of the third side:

Perimeter = side 1 + side 2 + side 3

-4w³ -w = (-10w³ +w) +(4w³ -3w) +side 3

-4w³ -w = -6w³ -2w + side 3 . . . . . . collect terms

side 3 = (-4w³ -w) -(-6w³ -2w) . . . . . . . subtract (-6w³ -2w)

side 3 = 2w³ +w . . . . . . . . . . . . . . . . collect terms

User Msridhar
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