Question

7. The adjoining figure shows a racing track
consisting of two parallel stretches 119 m
long and 10 m wide. Its other two ends are
semicircular. The inner distance between the
two parallel stretches is 70 m. Evaluate:
(a) the distance around the track along its outer
edge
(b) the area of the track
- 119 m
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

740.86

Step-by-step explanation:

Radius of exterior =(70+10)m=80m

Circumference =2πr=2×

7

22

×80=

7

3520

m

Distance around track

7

3520 +(119×2)

⇒ 7

5186

⇒740.86

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