Q 1: In a quadrilateral, three angles are 50°, 90° and 90°. The fourth angle will be ________. 130° 140° 160°

Q 2: In a rhombus ABCD, then diagonals intersect at 'O' then angle AOB = _____. 90 degrees 120 degrees

Q 3: Each diagonal of a quadrilateral divides it into two triangles. False True

Q 4: The angles of a quadrilateral are x, x+20, x+30 and 2x. Find the first and fourth angles. 70° and 140° respectively. 69°and 138° respectively. 74° and 148° respectively. 62° and 124° respectively.

Q 5: In a trapezoid ABCD, AB is parallel to CD. If angle A = 50 degrees and angle B = 120 degrees, find angle C and angle D. 90 degrees and 60 degrees Respectively 100 degrees and 70 degrees Respectively 60 degrees and 130 degrees Respectively

Q 6: In a quadrilateral, three angles are 90°, 80° and 100°. The fourth angle in degree measure will be ________. 130° 90° 100°

Q 7: Two adjacent angles of a parallelogram are in the ratio 4:5. The the angles are ______. 80, 100, 80 and 100 degrees 60, 80, 100, 120 degrees

Q 8: A trapezoid has two pairs of _____ angles. base leg

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