Question

The Area of a triangle is 220 cm². If its altitude is 11cm, then its base = 20 cm 40 cm 80cm​

Answer 1

Answer:

Step-by-step explanation:

Area of a triangle=  2 /1 ×base×height

So, 220cm  2  =1/2×base×11

⟹base=  11/220×2

=40cm

Answer 2

Here area and altitude of a triangle is given

Area = 220 cm²

altitude = 11 cm

We have to find the measure  of base of the triangle

area = (1/2) × base × altitude

220 =  (1/2) × base × 11

 440 = base × 11

base = 440/11

       = 40 cm

Hence, the base of the triangle will be 40 cm