A The total distance travelled by Shivam through the motorbike in a week to go school is (a) 50.4 km (b)55 km (b)56.4 km (d) 48 km
Answers
Answer:
The correct answer is 50.4 Km....
Explanation:
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Given : Shivam travel from P to Q via O on motor bike in 3 days and Travel from P to Q via R by car in remaining 3 days
Radius = 4.2 km
central angle = 60°
To Find : The total distance travelled by Shivam through the motorbike in a week to go school is
Solution:
P to Q Via O = PO + OQ = 4.2 + 4.2 = 8.4 km
Then returning back via same route = 8.4 km
Hence Distance in 1 day = 16.8 km
Distance in 3 days = 3 * 16.8 = 50.4 km
Via Car = P to Q Via R
= (60/360)2πr
= (1/6) (2)(22/7) * 4.2
= 4.4 kmin
1 day = 2 * 4.4 = 8.8 km
in 3 days = 3 * 8.8 = 26.4 km
Area of sector POQ = (1/6)πr² = 9.24 km²
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