Question

find the area of triangle two sides of which 18cm and10cm and the perimeter is 42cm

Answer 1

Hope it helps if it does plz follow me so that i can take up more of ur doubts

Answer 2

18 + 10 = 28
42- 28 = 14
third side is 14 cm.
area of triangle = 1/ 2 base × height
= 1/ 2 × 18 ×10
= 9× 10
= 90 cm square


I am not sure this is the answer
but I think so.