Isosceles trapezoid

Find the area of an isosceles trapezoid with bases of 8cm and 72mm. The height of the trapezoid is equal to three-quarters of the longer base.

Correct result:

S =  45.6 cm2

Solution:

a=8 cm c=72 mm cm=72/10  cm=7.2 cm  h=34 a=34 8=6 cm  S=a+c2 h=8+7.22 6=2285=2285 cm2=45.6 cm2



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