Length IT

Find the length (circumference) of an isosceles trapezoid in which the length of the bases a,c and the height h are given:
a = 8 cm
c = 2 cm
h = 4 cm

Correct result:

x =  20 cm

Solution:

x=8+2+2⋅ 42+32=20 cmx=8+2+2 \cdot \ \sqrt{ 4^{ 2 }+3^{ 2 } }=20 \ \text{cm}

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