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zhuklara [117]
2 years ago
9

Use the diagram below to determine the height of the flagpole.

Mathematics
1 answer:
Shtirlitz [24]2 years ago
6 0

Answer:

Height of flagpole= 12ft

Scale factor from stick to flagpole: 3:1

Scale Factor from flagpole to stick: 1:3

Step-by-step explanation:

ratio from stick to shadow = ratio from flagpole to shadow

so 4:2.5

we can assume 4(3):2.5(3)

which is 12:7.5

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4.5{4_x}+36=202-2.5{3+28}
you first multiply 4.5 and the numbers in the bracket.
4.5*4=18
4.5*x=4.5x
you will obtain 18-4.5x=202_2.5{3+28}
2.5*3=7.5 2.5*28=70
18_4.5x=202_7.5_70
18_4.5x=124.5_18
-4.5x=106.5
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The correct answer is option A. Base = 11 cm and height = 13 cm

Step-by-step explanation:

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