Height to the base

The triangle area is 35 cm². The size of the base is 10 cm. Find the length of height to the base.

Correct answer:

v =  7 cm

Step-by-step explanation:

$$\begin{gathered} S=35{\text{cm}}^2 \\ a=10\text{ cm } \\ S={\displaystyle \frac{av}{2}} \\ v=2\cdot S\mathrm{/}a=2\cdot 35\mathrm{/}10=7\text{ cm} \end{gathered}$$

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