Question

12.Find the area of a rhombus whose diagonals are 12 cm and 9 cm​

Answer 1

Answer:

54cm^2 is the area of rhombus

#purple you armys

Answer 2

Step-by-step explanation:

area of triangle =√s(s-a)(s-b)(s-c)

a=9cm

b=12cm

c=15cm

s=a+b+c/2

9+12+15/2

36/2

18cm

area=√18(18-9)(18-12)(18-15)

=√8×9×6×3

=√9×2×9×3×2×3

=3×2×9

=54cm*2