find the perimeter of a triangle with sides of 10 cm, 15cm and 20cm lengths.
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find the perimeter of a triangle with sides of 10 cm, 15cm and 20cm lengths.
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Answer:
perimeter of triangle = sum of all sides
sides(given),
10cm, 15cm and 20cm
.'. Perimeter = 10 + 15 + 20cm
= 45cm
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Step-by-step explanation:
perimeter of triangle