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# Similar Triangles

- 1(Introductory trigonometry / trig )

Find the values of $x$ and $y$. - 2Solve for the unknown values.
- 3Find $a$ and $b$ to the nearest tenth.
- 4Find $p$ and $q$.
- 5Solve for $x$.
- 6Find $y$.
- 7Solve for $z$.
- 8Given $\Delta ABC$ ~ $\Delta DEF$, and the area of $\Delta ABC$ is $20cm^2$.

Find the area of $\Delta DEF$. - 9Given $\Delta BCD$ ~ $\Delta EFG$, and the area of $\Delta EFG$ is $80cm^2$.

Find the area of $\Delta BCD$.

$$e=mc^2$$