Question

20. What is the area of the right angled triangle with base 4 cm and height 5 cm?
A) 9 cm
В) 20 cm
C) 18 cm?
D) 10 cm?
A.
ООО
B
C
D​

Answer 1

Answer:

• WE KNOW AREA OF TRIANGLE IS 1\2 × BASE × HEIGHT

GIVEN ,

BASE = 4CM

HEIGHT =5CM

1\2 × 4 × 5

1OCM² ( ANS )

Answer 2

first find third side = a²=b²+c²

a²= 4²+5²=16+25

a²=41