Question

I need help with this

Answer 1

Expressions (a-c)
a. Area of Square=
${x}^{2}$
b. Area of large triangle =
$\frac{6x}{2}$

c. Area of shaded(blue) =
$2( \frac{3x}{2} ) + \frac{6x}{2}$
Calculations(d)

d. Area of shaded(blue) =
$2( \frac{3x}{2} ) + \frac{6x}{2}$
$2( \frac{3 \times 6}{2} ) + \frac{6 \times 6}{2}$
$18 + 18$
$36$