Isosceles triangle

Calculate the area of an isosceles triangle, the base of which measures 16 cm and the arms 10 cm.

Correct result:

S =  48 cm2

Solution:

a=16 cm r=10 cm  h=r2−(a/2)2=102−(16/2)2=6 cm  S=a⋅ h2=16⋅ 62=48 cm2

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