27o
30o
35o
37o
Correct answer is C
The sum of angles in a triangle is 180o
2xo + (2x -21)o + ∠ZYP = 180o
Also ∠ZYP = 180o - (3x+14)o
∴2xo + (2x-21)o + 180o - (3x+14)o = 180
x = 35o
Find the range of the following set of numbers 0.4, −0.4, 0.3, 0.47, −0.53, 0.2 and &min...
What is the product of 2751(3)-3 and (1)−15?...
A sector of a circle of radius 7.2cm which subtends an angle of 300° at the centre is used to fo...
In the figure, DE//BC: DB//FE: DE = 2cm, FC = 3cm, AE = 4cm. Determine the length of EC. ...
Express the product of 0.21 and 0.34 in standard form ...
For what values of x is the expression 3x−24x2+9x−9 undefined?...
A cone with the sector angle of 45° is cut out of a circle of radius r of the cone....