write the perimeter of a triangle with with sides 20 cm 21 cm and 15 cm
Answers
Answered by
0
Answer:
56
Step-by-step explanation:
perimeter of triangle= sum of sides of triangle
= 20+ 21 +15
= 56
Answered by
3
perimeter of triangle is 56
Step-by-step explanation:
PERIMETER OF A SCALENE TRIANGLE = sum if all sides
20 + 21 +15
= 56
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