What is 2.7(7.8) Please show work I don't understand this question thank you!
2 answers:
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Answer:
Therefore the area of the screen cleared is 1414.28 cm².
Step-by-step explanation:
Given:
a windscreen wiper of a vehicle of length 30 cm
Consider this length as Radius of Semicircle, r = 30 cm
clears out an angle of 180 degrees implies Semicircle Shape
pie=22/7
To Find:
Area of the screen cleared
= ?
Solution:
We have
Substituting r and pie we get
Therefore the area of the screen cleared is 1414.28 cm².
0.05% of 40 is 0.02
Divide your decimal by 100:
Multiply your decimal with 40:
Divide your decimal by 100:
Multiply your decimal with 40: