Question 891774
A triangle has an area of 15 cm² and the base of 5 cm. If a circle drawn with the diameter equal to the length of the triangles height, what is the area of the circle? 
A 6 pie centimeter squared 
B 9 pie centimeter squared
C 12. Pie centimeter squared
D 18 pie centimeter squared 
E 36 pie centimeter squared
----------------------
Area = b*h/2
Use that to find the height.
----
Then find the area of the circle.
----
PS  It's the Greek letter pi, not the dessert pie.
{{{pi}}}
See that?