Advertisements
Advertisements
प्रश्न
Can a quadrilateral ABCD be a parallelogram if ∠A = 70° and ∠C = 65°?
Advertisements
उत्तर
No, because in a parallelogram opposite angles are equal but here ∠A ≠ ∠C.
APPEARS IN
संबंधित प्रश्न
Consider the given parallelograms. Find the values of the unknowns x, y, z.

Name the quadrilaterals whose diagonals bisect each other
Perimeter of a parallelogram is 150 cm. One of its sides is greater than the other side by 25 cm. Find the lengths of all sides.
Referring the adjacent figure of a parallelogram, write the answer of questions given below.

(1) If l(WZ) = 4.5 cm then l(XY) = ?
(2) If l(YZ) = 8.2 cm then l(XW) = ?
(3) If l(OX) = 2.5 cm then l(OZ) = ?
(4) If l(WO) = 3.3 cm then l(WY) = ?
(5) If m∠WZY = 120° then m∠WXY = ? and m∠XWZ = ?
If a triangle and a parallelogram lie on the same base and between the same parallels, then prove that the area of the triangle is equal to half of the area of parallelogram
If opposite angles of a quadrilateral are equal, it must be a parallelogram.
Find the values of x and y in the following parallelogram.

ABCD is a parallelogram. Points P and Q are taken on the sides AB and AD respectively and the parallelogram PRQA is formed. If ∠C = 45°, find ∠R.
Construct a parallelogram HOME with HO = 6 cm, HE = 4 cm and OE = 3 cm.
Draw a rough figure of a quadrilateral that is not a parallelogram but has exactly two opposite angles of equal measure.
