Answer:
150
Step-by-step explanation:
Triangle ADB is a right angle triangle
Use Pythagorean theorem to find out the length of AD
Plug in the values and find out b
Subtract 256 from both sides
Take square root on both sides
The length of AD is 12
Now we find length of CD using pythagorean theorem
Plug in the values and find out b
Subtract 144 from both sides
Take square root on both sides
Length of CD = 9
Length of CB = 9+16=25
Area of the triangle ABC=
=