MCQ
In a quadrilateral ABCD, $\angle A+\angle C$ is 2 times $\angle B+\angle D$. If $\angle A=140^{\circ}$ and $\angle D=60^{\circ}$, then $\angle B=$
- ✓60°
- B80°
- C120°
- DNone of these
✓
Answer
Correct option: A.
60°
a
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The volume of a sphere is numerically equal to its surface area, then its diameter is:
A histogram is a pictorial representation of the grouped data in which class intervals and frequency are respectively taken along
The mean weight ofa six boys in a group is 48kg. The individual weights of five of them are 51kg, 45kg, 49kg, 46kg and 44kg. The weight of the 6th boy is:
- 52kg.
- 52.8kg.
- 53kg.
- 47kg.
The figure formed by joining the mid-points of the adjacent sides of a quadrilateral is a:
- Prallelogram.
- Rhombus.
- Rectangle.
- Square.
Find the length of each side of an equilateral triangle having area of 9 root 3cm square:
Which of the following is not true for a parallelogram?
- Opposite sides are equal.
- Opposite angles are equal.
- Opposite angles are bisected by the diagonals.
- Diagonals bisect each other.
The area of a right-angled triangle if the radius of its circumcircle is 3cm and altitude drawn to the hypotenuse is 2cm is:
The ratio between the curved surface area and the total surface area of a right circular cylinder is 1 : 2. If the total surface area is 616cm2, then the volume of the cylinder is:
- 1078cm3
- 1232cm3
- 1848cm3
- 924cm3
If one angle of a triangle is equal to the sum of the other two angles, then the triangle is:
- An isosceles triangle.
- An obtuse triangle.
- An equilateral triangle.
- A right triangle.