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The flagpole casts an 8 foot shadow as shown in the table at the same time the oak tree casts 12-foot shadow how tall is the oak tree? Flag pole is 20 ft tall

Respuesta :

Shinrinyoku
12 / 8 = 1.5
1.5 * 20 = 30
therefore the oak tree is 30 feet tall

double check:
8 / 20 = 0.4 = shadow length per ft

30 * 0.4 = 12
akiran007

                Flagpole:     Tree

Shadow    8 feet:         12 feet

Length     20 feet:        x feet

The tree is 30 feet tall.

Using cross product rule the length of the tree can be found out

x × 8= 20×12

x= 20× 12/8

x= 30 feet

The tree is 30 feet tall.

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