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3 years ago

Angle 1 is 3 times angle 2. Find angle 2

Mathematics

1 answer:

nordsb [41]3 years ago

6 0

Angle 2 is 40 degrees

Explanation:
A straight line is always 180 degrees, they gave us 160 degrees so you just subtract 180-160 to get 20 degrees for angle 3.

Since that angle is a part of the triangle and we’re only focusing on angles 1 and 2, subtract 20 from 180 since a triangle is 180 degrees.

Then you get 160, divide that by 4 to get 40 degrees, multiply 40 by 3 to get angle 1 which is 120. 120+20 (20 from angle 3) gives us 140. 180-140 is 40 degrees which is angle 2.

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2 years ago

The cost of a ticket increases by 10% to £18.15<br> Work out the original cost.

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Answer:

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3 years ago

Read 2 more answers

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Remember your Number system
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The second 0 is not up to 5, so we would not add to the first zero.
(Was it 5, or above, we would have added 1 to first zero)

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