Here ya go, enjoy my answer and good luck!
Tom's mark of a maths test was 68.This was 20% worse than his mark in English.what was Tom's English mark ?
1 answer:
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General Idea:
The measure of one of the central angles of a regular Polygon () can be used using the below formula:
Applying the concept:
The measure of one of the central angles of a regular octagon.
The octagon have 8 sides, using the above formula we get...
Conclusion:
The correct option is <em><u>A) 45 degrees</u></em>
Hey!
Here is the equation:
Switch the equation around and it becomes:
The sign changes when moved to the other sign. At first it was (÷) and now it's (×).
Multiply 4.5 by 3 to find j
<em>That means your answer is 13.5</em>