Question

find area of an isocelos triangle whose equal sides are 12 cm each and perimeter is 30 cm​

Answer 1

Answer:

Step-by-step explanation:

area of issoceles traingle is = 1/2 ×base× height.

parimeter of issoceles traingle = l×b=30

so , l=30/b=30/12 = 5/2= 2.5 cm

so area =1/2×2.5×12= 15 cm.