120\(^o\)
90\(^o\)
75\(^o\)
60\(^o\)
Correct answer is B
m + n + 90\(^o\) + 180\(^o\) (sum of angle in a \(\triangle\))
m + n = 180\(^o\) - 90\(^o\)
m + n =90\(^o\)
Solve the equation (x +2)(x - 7) = 0 ...
Marks 1 2 3 4 5 Frequency 2y - 2 y - 1 3y - ...
How many sides has a regular polygon whose interior angle is 135°? ...
Find the number whose logarithm to base 10 is 2.6025 ...
Points X and Y are respectively 12m North and 5m east of point Z. Calculate XY ...
In\( ∆ PQR, P\hat{Q}P = 84^°, |Q\hat{P}R |= 43^°\) and |PQ| = 5cm. Find /QR/ in cm, correct to 1...
Find the size of each exterior angle of a regular octagon ...