The base and hypotenuse of a right triangle are respectively 5 cm and 13 cm long. Its area is
Using Pythagorous theorem:
(
)2 = 
2 + (Altitude)2
(Altitude)2 = 169 – 25 = 144
Altitude = 12 cm
Area of triangle = 
11
The base and hypotenuse of a right triangle are respectively 5 cm and 13 cm long. Its area is
Using Pythagorous theorem:
()2 = 2 + (Altitude)2
(Altitude)2 = 169 – 25 = 144
Altitude = 12 cm
Area of triangle =