Question

The diagram shows two right angled triangles, joined together along a common side.

Calculate the area of the triangle ACD.
you must show all your working.
(Pleaseee it’s really urgent!)

Answer 1

AC² = 10.8²+14.4² = 324

AC = √324= 18

area = AC.DC÷2

area=18×24÷2

area=216