Question

the pie chart shows how pupil spend his or her time in maths lesson which last 60 minutes

1.how much time does he or she spend a getting ready to work 2.talking 3. sharpening pencil
4.she spends 3 minutes working.
what is the angle on the pie chart for the time spent working​

Answer 1

Answer:

10.8°

Step-by-step explanation:

We know,

To find angle in pie chart , we use formula

$\frac{x}{100} \times 360$

ATQ:-

$\frac{3}{100} \times 360$

$\frac{1080}{100}$

=10.8°

Answer 2

1. 8 minutes

2. 34 minutes

3. 10 minutes

4.  18 degrees is the angle on the pie chart for the time spent working​

Step-by-step explanation:

We are given a pie chart in the question.

Total time = 60 minutes

1) Time spent on getting ready

Pie chart measure = $48^\circ$

Time spent =

$\displaystyle\frac{48}{360}\times 60\\\\= 8\text{ Minutes}$

2) Time spent talking

Pie chart measure = $204^\circ$

Time spent =

$\displaystyle\frac{204}{360}\times 60\\\\= 34\text{ Minutes}$

3) Time spent sharpening pencil

Pie chart measure = $60^\circ$

Time spent =

$\displaystyle\frac{60}{360}\times 60\\\\= 10\text{ Minutes}$

4) Angle on the pie chart for the time spent working​

Time spent working = 3 minutes

Let x be the angle measure.

$3 = \dfrac{x}{360}\times 60\\\\x = \dfrac{360\times 3}{60}\\\\x = 18^\circ$

18 degrees is the angle on the pie chart for the time spent working​.

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