Isosceles trapezoid

What is the height of an isosceles trapezoid, the base of which has a length of 11 cm and 8 cm and whose legs measure 2.5 cm?

Correct result:

h =  2 cm

Solution:

a=11 cm c=8 cm b=2.5 cm x=(ac)/2=(118)/2=32=1.5 cm h=b2x2=2.521.52=2 cm



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