112o
116o
122o
148o
Correct answer is C
PRQ = 90 - 58 = 32o(angle in a semi-circle)
Since PRS = 90o(radius angular to tangent)
QRS = 90 + 32
= 122o
If \(\begin{vmatrix} 2 & -5 & 3 \\ x & 1 & 4 \\ 0 & 3 & 2 \end{vmatrix} = 13...
Calculate (0.05 × 0.025) ÷ (4.25 × 3.35) and express your answer in standard form...
Find the simple interest rate percent per annum at which N1,000 accumulates to N1,240 in 3 years...
In the diagram, |QR| = 10cm, PR⊥QS, angle PSR = 30° and angle PQR = 45°. Calculate in m...
Given that p13 = 3√qr, make q the subject of the equation...
I am x years old and my brother is 3 years older. How old was my brother last year? ...