Find the perimeter of the one following shape, rounded to the nearest tenth:
No
20.39
22.8
24.4

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

If rt is greater than ba, which statement must be true ?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi