Geometrymedium · Past Paper
If the difference between two supplementary angles is 40 degrees, find the smaller angle.
A70 degrees
B110 degrees
C40 degrees
D140 degrees
✓ Correct Answer: A — 70 degrees
x + (x+40) = 180; 2x = 140; x = 70.
Share this question
More from Geometry
- In a cyclic quadrilateral, if the ratio of three consecutive angles is 1:2:3, find the fourth angle.
- When two lines intersect, the angles formed opposite to each other are called:
- An exterior angle of a cyclic quadrilateral is equal to its:
- If a line makes an angle alpha with the x-axis, its slope is:
- If the ratio of the areas of two circles is 4:9, what is the ratio of their circumferences?