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Mathematics 13 Online
jey:

If the shadow of a tree is 7 m long and the shadow of a person who is 0.9 m tall is 2 m long, how tall is the tree? 0.25 m 3.15 m 15.5 m

justus:

The ratio of height of a person to the shadow is 0.9 / 2 x is the height of the tree height of a person/ shadow = height of the tree / shadow

justus:

Cross multiply the numbers 7 * 0.9 = 2x 6.3 = 2x Divide by 2 on both sides x= 3.15

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