Question

Find the area of the triangle ABC whose
base is 9 dm and altitude is 7 cm.
​

Answer 1

Answer:

the area of this triangle is :

area of triangle! b*h*1/2

Step-by-step explanation:

so

7*9*1/2= 31.5

Answer 2

Answer:

given,

base = 9dm = 90cm

altitude= 7cm

thus,

area = 1/2 (b× h)

=> 1/2 ( 90× 7)

=> 45×7

=> 315 cm²