Question

find the length of the equal side of an isocels triangle whose perimeter is 40 cm and unequal side is 10 cm​

Answer 1

Answer:

15 cm

Step-by-step explanation:

perimeter is the sum of all sides

let the equal side be x

x+x+10=40

2x+10 = 40

2x = 40-10=30

x = 30/2=15

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