A building casts a shadow that is 432m long. At the same time a person who is 2m casts a shadow 6m long . how high is the building.
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height of the person : 2m length of the shadow: 6m
height of the building: ? (x) length of the shadow:432m
Direct variation ....so cross multiplication
∴ x = 2 × 432 ÷ 6
= 144m
therefore the height of the building is 144m
Hope it's useful :)
height of the building: ? (x) length of the shadow:432m
Direct variation ....so cross multiplication
∴ x = 2 × 432 ÷ 6
= 144m
therefore the height of the building is 144m
Hope it's useful :)
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4
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