In the given figure, the value of x + y is
(a) 180°
(b) 190°
(c) 170°
(d) 160°
Solution:
The lengths of two adjacent sides of a parallelogram are in the ratio 1 : 2. If the perimeter of a parallelogram is 60 cm, then the length of its sides are
(a) 6 cm, 12 cm
(b) 8 cm, 16 cm
(c) 9 cm, 18 cm
(d) 10 cm, 20 cm
Solution:
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