Question

if the area of a triangle is 30 cm square and one side is 20 cm. find its altitude the opposite vertex to this side​

Answer 1

Answer:

3 cm

Step-by-step explanation:

area of triangle= 1/2 *side* altitude

⇒30= 1/2 * 20 * altitude

⇒30 = 10 * altitude

⇒altitude= 30/10

⇒altitude = 3 cm

Answer 2

Answer:

The answer is 6 cm.

Step-by-step explanation:

Total area of triangle = 30 cm.

= 30 - 20 = 10

= 10 - 4 = 6 cm.