Find the area of a triangular field whose sides are 50 m, 45 m, and 35 m. Also find the
length of the altitude of the shortest side of the triangle.
Answers
Answer:
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Given : Triangle sides are 50 m, 45 m, and 35 m
To Find : Area of triangle
and length of altitude on shortest side
Solution:
Triangle sides are 50 m, 45 m, and 35 m
a = 50
b = 45
c = 35
s = (a + b + c)/2 = ( 50 + 45 + 35)/2 = 65
Using Heron formula
Area of triangle = √s(s -a)(s-b)(s-c)
= √65(65 -50)(65-45)(65-35)
= √65(15)(20)(30)
= √5 * 13(5 * 3)(10 * 2)(10*3)
= 5 * 10 * 3 √26
= 150√26 m²
Area of triangle = (1/2) * base * height
=> (1/2) * 35 * altitude = 150√26
=> altitude = 300√26 /35
=> altitude = 60√26 /7 m
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