Answer:
x=12
Step-by-step explanation:
each CD is 12$
Answer:
<h2>x = 1</h2>
Step-by-step explanation:
Look a t the picture.
The triangles on the picture are similar.
Therefore the sides are in proportion:
<em>cross multiply</em>

<em>divide both sides by 40</em>

Step-by-step explanation:
½× 10 × 5√3 cm² =
25√3 cm²
or
43.30 cm²