If perimeter of a triangle is 100cm and the length of two sides are 30cm and 40cm, the length of third side will be:

Question

(a)30cm
(b)40cm
(c)50cm
(d)60cm

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Rohit QNA 3 years 2021-12-29T13:19:42+00:00 1 Answer 12 views Enlightened 0

Answer ( 1 )

    0
    2021-12-29T13:20:04+00:00

    Answer: a

    Solution: Perimeter of triangle =
    sum of all its sides
    P = 30+40+x
    100=70+x
    x=30cm

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