Find the perimeter of the triangle whose sides are 7cm, 10 cm and 9 cm?
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Answered by
3
Answer:
We know perimeter of any triangle is the sum of lengths of its sider.
a) length of sides are 7cm,8cm, and 9cm
perimeter =(7+8+9)cm
=24cm
b) Triangle is equilateral with one side as 2.4m
perimeter =(2.4+2.4+2.4)m
=7.2m
c) equal side are of 12cm and other is of 9cm
perimeter =(12+12+9)cm
=33cm
Answered by
0
Answer:
perimeter is sum of all sides so .
=26 cm
Step-by-step explanation:
7+10+9
=17+9
=26
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