Perimeter of a triangle is 27 cm if two sides measure 9cm and7.8cm find the measure of third side

asked Feb 13, 2023 8.1k views

1 vote

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3 votes

Answer:

10.2cm

Explanation:

9+7.8= 16.8cm

27-16.8= 10.2 cm

Jawann answered Feb 14, 2023

6.1k points

3 votes

perimeter = sum of all sides

27 = 9+7.8+x

x (third side) = 10.2

Cantelope answered Feb 20, 2023

5.9k points

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