In Chad's reading class, all the students are reading the same book. The school bought each student a book at $7 per book. If th
ere are 27 students in Chad's class, which of the following expressions could not be used to calculate the total cost? a. 7(30) - 7(7)
b. 7(20) + 7(7)
c. 7(30) - 7(3)
The smallest interior angle measure of any regular polygon is that of an equilateral triangle: 60°.
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The corresponding exterior angle measure for interior angle x will be its supplement: 180° -x. This value must be a divisor of 360° 360° is not evenly divisible by 180°-45°=135°.