391. If the measure of the angles of
a triangle are in the ratio 1:
2 : 3 and if the length of the
smalle

Question

391. If the measure of the angles of
a triangle are in the ratio 1:
2 : 3 and if the length of the
smallest side of the triangle
is 10 cm., then the length of
the longest side is:
(a) 20 cm (b) 25 cm
(c) 30 cm
398.AT
SC
12
(d) 35 cm
(SSC CGL Tier-I 2016)
diu

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Elliana 3 months 2021-07-25T19:47:04+00:00 1 Answers 0 views 0

Answers ( )

    0
    2021-07-25T19:48:40+00:00

    Answer = 20cm

    Explanation = Let angle x,2x,3x

    x+2x+3x = 180

    ( therefore, sum of internal angle of a )

    6x = 180

    x = 30°

    So, angle = 30,60,90

    Smallest side of ∆ = 1 unit = 10cm

    Largest side of ∆ = 2 Units = 20cm

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