Need someone to help me with my math work

The small triangle has a long leg of 8. The triangle area formula is used to derive this. Now, there can be a ration equation.

10/4 = x/8

x = 20

Now use the formula.

A=1/2bh

A=1/2(10*20)

A=100

Area of DEF is 100 m^2.

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.