Advertisements
Advertisements
प्रश्न
ABCD is a parallelogram in which ∠A = 70°. Compute ∠B, ∠C and ∠D .
Advertisements
उत्तर
In a parallelogram ABCD.
`∠`A = 70°
`∠`A = `∠`B = 180° [ ∴ Adjacent angles supplementary]
70° + `∠`B = 180° `∠`A = 70°]
`∠`B =180° - 70°
=110°
In a parallelogram opposite sides are equal
`∠`A = `∠`C = 70°
`∠`B = `∠`D = 110°
APPEARS IN
संबंधित प्रश्न
Find x in the following figure:
If PQRS is a square, then write the measure of ∠SRP.
In the given figure, ABCD is a rectangle in which diagonal AC is produced to E. If ∠ECD = 146°, find ∠AOB.
If an angle of a parallelogram is two-third of its adjacent angle, the smallest angle of the parallelogram is
If the degree measures of the angles of quadrilateral are 4x, 7x, 9x and 10x, what is the sum of the measures of the smallest angle and largest angle?
Can all the angles of a quadrilateral be right angles? Give reason for your answer.
A quadrilateral has three acute angles. If each measures 80°, then the measure of the fourth angle is ______.
Which of the following can be four interior angles of a quadrilateral?
The angles P, Q, R and S of a quadrilateral are in the ratio 1:3:7:9. Then PQRS is a ______.
The sum of all ______ of a quadrilateral is 360°.
