Question
A regular polygon has an interior angle of 144°. How
many sides does the polygon have?Solution
The formula for the interior angle of a regular polygon with n sides is: Interior angle = [(n - 2) * 180] / n. 144 = [(n - 2) * 180] / n. 144n = 180n - 360 36n = 360 n = 10.
(6.013 – 20.04) = ? + 9.98% of 5399.98
 Simplify the given expression
[1.5 × 1.5 × 1.5 + 2.7 × 2.7 × 2.7 + 4.8 × 4.8 × 4.8 – 3 × 1.5 × 2.7 × 4.8] / [1.5 × 1.5 +2.7 × 2.7 ...
25 × 5 - ?% of 150 = 102 - 2
22 – 15 + 20 × 18 ÷ 6 – 34 = ?
- What will come in place of the question mark (?) in the following questions?
100−[20+4×5]=? Find the value of the following expression:
372 ÷ 56 × 7 – 5 + 2
(√ 1444 ÷ 5) × 3.25 = ?
What will come in the place of question mark (?) in the given expression?
(243/9) X 5 - 112 = ? ÷ (24 - 13)
84% of 8400 + 42% of 6120 =?
(744 ÷ 6) - (120/5) + 5.5% of 800 = ?2