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
Multiply 2.7 x 10-4 by 6.3 x 106 and leave your answers in standard form...
If the function f is defined by f(x + 2) = 2x2 + 7x - 5, find f(-1)...
If cos 60° = 1/2, which of the following angle has cosine of -1/2? ...
If m = 4, n = 9 and r = 16., evaluate mn - 179 + nr...
If |xamp;32amp;7|=15, find the value of x ...
What is the circumference of latitude 0°S if R is the radius of the earth?...
Simplify (0.09)2 and give your answer correct to 4 significant figures...