Find the length of a chord which subtends an angle of 90&...
Find the length of a chord which subtends an angle of 90° at the centre of a circle whose radius is 8 cm.
8√3 cm
4 cm
8 cm
8√2 cm
Correct answer is D
Length of chord = 2rsin(θ2)
= 2×8×sin(902)
= 16×√22
= 8√2cm
If xo is obtuse, which of the following is true?...
Make f the subject of the relation v=u+ft...
A worker's present salary is N24,000 per annum. His annual increment is 10% of his basic salary....
If log104 = 0.6021, evaluate log1041/3...
The positions of two countries P and Q are (15°N, 12°E) and (65°N, 12°E) respectively. What is t...
Factorize (4a + 3)2 - (3a - 2)2...
If the volume of a hemisphere is increasing at a steady rate of 18π m3 s−1, at what...