Question

The base of a triangle is four times its height.If the area of the triangle is 242 square millimeters,find its height

Answer 1

Explanation:

h-the height

a-the base /\ a=4h

A-Area of a Triangle /\ A=242 [mm²]

A=½•a•h=½•4h•h=2h²→2h²=242

h²=121/\h≥0→h=11[mm]=a=44mm

Hope it helps you