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Salsk061 [2.6K]
2 years ago
10

In a P.7 class, 20% of the boys were absent for the Mock Examinations, of the remainder of the boys were present Find the fracti

on of the girls in the class.​
Mathematics
1 answer:
vladimir1956 [14]2 years ago
7 0
Fine the fraction of the girls class absent examination
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A shark can chase prey about 30 miles per hour. What is this rate in miles per minute?
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Solution :

Give that a shark can chase prey about 30 miles per hour.

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in 60 minutes the shark can chase the prey 30 miles

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Which of the following equations represents the area of a sector?
Rina8888 [55]

From the given options we can say that the only one that represents the area of the sector is; A = n/360 * πr²

<h3>What is the Area of the Sector?</h3>

In circles, a sector is said to be a part of a circle made of the arc of the circle together with its two radii. This means that it is a portion of the circle formed by a portion of the circumference (arc) and radii of the circle at both endpoints of the arc.

The formula for Area of a sector is given as;

θ/360 * πr²

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r is radius

Now, looking at the given options we can say that the only one that represents the area of the sector is;

A = n/360 * πr²

where n is the central angle of the sector

Read more about Area of Sector at; brainly.com/question/16736105

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