Maths-
General
Easy

Question

If the area of a triangle is 77 m2 and its height is 15 over 11m, find the length of its base

hintHint:

Given, the base length and height of the triangle .Substitute both values in the area of triangle formula with base and height to get the area of triangle ABC  .

The correct answer is: Therefore, The base of the triangle is 112.93 m


    ANS :- The base of the triangle is 112.93 m.
    Explanation :-

    Given, The height of the triangle is 15 over 11m (i.e h = 15 over 11m)
    Let the base length of the triangle be b
    Given, area of triangle = 77 sq.m
    Then we get area of triangle = ½ × b × h
    not stretchy rightwards double arrow 77 equals 1 divided by 2 cross times open parentheses b cross times 15 over 11 close parentheses
    77 cross times 11 cross times 2 equals 15 b not stretchy rightwards double arrow b equals 1694 over 15
    not stretchy rightwards double arrow b equals 112.93 straight m
    ∴Therefore, The base of the triangle is 112.93 m.

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