A triangle has a perimeter of 60 cm. If its two sides are of length 18 cm and 20 cm, what is the length
of the third side ?
Answers
Answered by
8
Answer:
22 cm
Step-by-step explanation:
Perimeter = 60 cm
Length of 1st side = 18 cm
Length of 2nd side = 20 cm
Length of 3rd side = Perimeter - ( 1st + 2nd )
= 60 - ( 18+20 )
= 60 - 38
= 22 cm
Length of 3rd side = 22 cm
Hope it helps
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Answered by
0
Answer:
Step-by-step explanation:
perimeter=60cm
length of 1st side=18cm
length of 2nd side =20cm
length of 3rd side=perimeter-(1st+2nd)
=60-(18+20)
=60-38
=22cm
length of 3rd side=22cm
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