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Answer to Q100

Two men, starting at the same point, walk in opposite directions for 4 meters, turn left and walk another 3 meters. What is the distance between them?

So they started at the same point and walked in opposite direction for 4 meters. This means they are not 8 meters apart.

They turned left and walked another 3 meters. For them to both turn left, that means one is turning to the north and the other to the south. (See the rough sketch above).

To find the distance between them, we can take the triangle ASD, find AS and multiply by 2.

AS² = DS² + DA²
AS² = 4² + 3²
AS² = 16 + 9
AS² = 25
AS = √25
AS = 5

So, distance between them is 5 x 2 = 10

Answer: 10

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761 viewsJun 24, 2020 at 16:05

Answer to Q100

Two men, starting at the same point, walk in opposite directions for 4 meters, turn left and walk another 3 meters. What is the distance between them?

So they started at the same point and walked in opposite direction for 4 meters. This means they are not 8 meters apart.

They turned left and walked another 3 meters. For them to both turn left, that means one is turning to the north and the other to the south. (See the rough sketch above).

To find the distance between them, we can take the triangle ASD, find AS and multiply by 2.

AS² = DS² + DA²
AS² = 4² + 3²
AS² = 16 + 9
AS² = 25
AS = √25
AS = 5

So, distance between them is 5 x 2 = 10

Answer: 10

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