A circular track is being built for students to use in P.E., at a nearby school. The distance from one side, straight through th
e center, to the opposite side, is 136 m. The circumference of the track is ? M. Round to the nearest 100th.
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Answer:
A proportion is an equation that says that the two ratios are equivalent.
A proportion is read as a is to b as c is to d ,
where b,d≠0
Given:
to find the value of x:
we can write above expression as :
Cross- Multiplication method: which means that we multiply the numerator of each side by the denominator of the other side.
Using cross multiplication method, we can solve the value of x:
On simplifying:
Therefore, the value of x is,