Question

Please help! Find the perimeter of Trapezoid ABCD. (round your answer to the nearest tenth.)

Answer + explanation please!

Answer 1

19.8 units

Explanation:

BC = 5

AD = 8

CD = 1²+3²=c²

1+9=c²

√10=c

c=3.1627766

AB = 2²+3²=c²

4+9=c²

√13=c

c=3.6

5+8+3.6+3.16=19.76