Question

See below.

Answer 1

Typo?

Answer 2

you need area
right

Answer 3

yep.

Answer 4

\[10*10+(1/2)*10*10\]

\[100+50=150m^2\]

Answer 5

really?

Answer 6

i believe

Answer 7

got the same...

Answer 8

u know area of a square and area of a triangle?

Answer 9

Split this into the addition of two separate areas, the area of the triangle + square.
\[A _{squaree}=l^2\]\[A _{trianglee}=(1/2)bh\]
so,
\[A _{total}=(1/2)bh+l^2\]
Plug and chug:
\[A_{total}=(1/2)(20-10)(10)+10^2\]
\[A_{total}=(1/2)(10)(10)+100\]\[A_{total}=50+100\]\[A_{total}=150\]

Answer 10

Ok thanks.