Geometrymedium · Past Paper
In a cyclic quadrilateral ABCD, if angle A = 2x and angle C = 3x, find the value of x.
A18
B36
C45
D60
✓ Correct Answer: B — 36
2x + 3x = 180 => 5x = 180 => x = 36.
Share this question
More from Geometry
- If the sector of a circle of radius 6 cm has an angle of 120 degrees, find the perimeter of the sector.
- If the slope of the line joining (x, 2) and (3, 4) is 1, find x.
- What is the slope of a line which is perpendicular to the Y-axis?
- A ray has how many endpoints?
- In a cyclic quadrilateral, if the ratio of three consecutive angles is 1:2:3, find the fourth angle.