102o
78o
70o
60o
Correct answer is A
< RQT = < QRS = 2x (Alternate angles). But in \(\bigtriangleup\) PRQ
50 + 60 + (2x + 3x) = 180o(Angles in a triangle)
110 + 5x = 180o
5x = 180o - 110 = 70o
x = \(\frac{70}{5}\) = 14o
Also y + 50 + 2(14) = 180o
y + 50 + 28 = 180o
y = 180 - 78
y = 102o
Factorize 2x\(^2\) - 21x + 45...
If \(\frac{2}{x - 3} - \frac{3}{x - 2}\) is equal to \(\frac{p}{(x - 3)(x - 2)}\), find p...
y varies directly as w2. When y = 8, w = 2. Find y when w = 3...
Find the area and perimeter of a square whose length of diagonals is 20\(\sqrt2\) cm...
Find the probability that a number selected at random from 21 to 34 is a multiple of 3...
Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number ...
If x = \(\begin{pmatrix} 1 & 2 \\ 0 & 3 \end{pmatrix}\) and y = \(\begin{pmatrix} 2 & 1 ...
If (K2)\(_6\) * 3\(_6\) = 3\(_5\)(K4)\(_5\), what is the value of k?...