Question

solve this please
Answer as a,b,c...​

Answer 1

Answer:

Hope it helps you.....

Answer 2

Step-by-step explanation:

area of a triangle = b X h /2

I)

b = 15cm ,

area = 87 sq cm

h= 2 X area /b

=2 X 87/15

=58/5

= 11.6 cm

ii)

h 31.4 mm

area =1256 sq mm

b= 2 X area /h

= 2 X 1256/31.4

=80 mm

iii)

b=22cm

area= 170.5 sq cm

h= 2 X area /b

= 2 X 170.5 /22

=15.5 cm