Trapezoid base perimeter

The isosceles trapezoid has a base length of 12 cm, a height of 4.5 cm, and a height of 5 cm. What is its circumference?

Final Answer:

o =  29 cm

Step-by-step explanation:

a=12 cm c=4.5 cm h=5 cm  x=2ac=2124.5=415=3.75 cm  r2 = x2+h2  r=x2+h2=3.752+52=425=6.25 cm  o=a+c+2 r=12+4.5+2 6.25=29 cm



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