Question

Q.5 The shadow of a 15m tall tree on a plane suface is 10m and on the same
time the length of the shadow of a wall is 25m then find the height of the wall.​

Answer 1

Formula for direct proportion

$= \frac{x1}{y1} = \frac{x2}{y2}$

A/Q

x1 = 15 m

y1 = 10 m

y2 = 25 m

$\frac{15}{10} = \frac{x2}{25} \\ \\x2 = \frac{15 \times 25}{10} \\ \\x2 = \frac{75}{2} \\ \\x2 = 37.5$

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