Find the perimeter of a triangle whose sides are:
(a) 21 cm, 24 cm and 30 cm
(b) 14 m, 17 m and 20 m
Answers
Answered by
5
Answer:
the answer is add up all the lengths
Step-by-step explanation:
21+24+30=75 and another 14+17+20=51cm
Answered by
2
Answer:
perimeter=sum of all sides
a 21+24+30=75
b 14+17+20=51
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