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 the angle measure x in the given Figure
Find x + y + z
The angles of a quadrilateral are in the ratio 3 : 5 : 9 : 13 Find all the angles of the quadrilateral.
In a quadrilateral ABCD, bisectors of angles A and B intersect at O such that ∠AOB = 75°, then write the value of ∠C + ∠D.
Can the angles 110º, 80º, 70º and 95º be the angles of a quadrilateral? Why or why not?
Can all the angles of a quadrilateral be acute angles? Give reason for your answer.
In the following figure, P is the mid-point of side BC of a parallelogram ABCD such that ∠BAP = ∠DAP. Prove that AD = 2CD.
Which of the following can be four interior angles of a quadrilateral?
In a quadrilateral PQRS, ∠P = 50°, ∠Q = 50°, ∠R = 60°. Find ∠S. Is this quadrilateral convex or concave?
Three angles of a quadrilateral are equal. Fourth angle is of measure 120°. What is the measure of equal angles?
