Question

Find the perimeter of the triangle.

(21 – x) in.

(2x - 3) in.

(x + 5) in.

Answer 1

✒️GIVEN:

• Find the perimeter of the triangle.
• (21 – x) in.
• (2x - 3) in.
• (x + 5) in.

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✒️ANSWER:

• 23+2x in³

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✒️ FORMULA:

• Perimeter = a+b+c

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✒️ SOLUTION:

• Perimeter = (21-x)+(2x-3)+(x+5)
• Perimeter = (18+x)+ (x+5)
• Perimeter = 23+2x in³

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