In the diagram, find the size of the angle marked a°<...
In the diagram, find the size of the angle marked a°
60o
80o
120o
160o
Correct answer is B
2 x s = 280°(Angle at centre = 2 x < at circum)
S = 280o2
= 140°
< O = 360 - 280 = 80°
60 + 80 + 140 + a = 360°
(< in a quad); 280 + a = 360
a = 360 - 280
a = 80°
Express 8.750.025 in standard form ...
A tax payer is allowed 18th of his income tax-free, and pays 20% on the remainder. If h...
A car moves at an average speed of 30kmh−1, how long does it take to cover 200 meters?...
Evaluate 5-3log52 x 22log23...
In the diagram above, |PQ| = |PR| = |RS| and ∠RSP = 35o. Find ∠QPR...