8. Two sides of a triangle are 28 cm and 42 cm and its perimeter is 110 cm. Find its third side.
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Answered by
4
Answer:
Perimeter = 110 cm
1st side = 28 cm
2nd side = 42 cm
3rd side = ?
Perimeter of a triangle = 1st side + 2nd side + 3rd side
110 = 28 + 42 + 3rd side
110 = 70 + 3rd side
3rd side = 110-70
3rd side = 40 cm
Answered by
1
40 cm
Step-by-step explanation:
Perimeter of a triangle is =110
Two sides of a triangle is =28+42=70
110-70=40
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