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MaRussiya [10]
3 years ago
5

Help!!

Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
8 0
Assume Chad is standing up straight.
Chad, the shadow of Chad, and the line from the top of Chad's head to the end of the shadow form a right triangle.
Chad and the shadow are the two legs of the right triangle, the line form the top of Chad's heat to the end of the shadow is the hypotenuse. 
the angle facing Chad is 23 degree.
One leg length is given. To find out other leg (the height of Chad), use tangent.
tan23=x/14.3
x=tan23*14.3
use a calculator, x≈6.07
this answer makes sense because 6 feet is about the height of a man. 
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What percentage of the blocks is shaded in the picture?
Yakvenalex [24]
First, find the number of shaded blocks.
shaded blocks = 8 × 3
shaded blocks = 24
There are 24 shaded blocks

Second, find the number of the blocks
all blocks = 8 × 10
all blocks = 80
There are 80 blocks in total.

Third, write a fraction defining the shaded blocks compare to the blocks in total
fraction = 24/80
simplify
fraction = 3/10

Fourth, change the fraction into percent
Percent means per hundred. Change the denominator to 100
fraction = 3/10
percent = (3 × 10) / (10 × 10)
percent = 30/100
percent = 30%

The percentage of the blocks shaded in the picture is 30%
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