Saved Bookmarks
| 1. |
In the given figure, ABCD is a parallelogram. If ∠B = 100°, then find the value of ∠A +∠C. |
|
Answer» The co-interior ANGLES are always 180° given angle B = 100 angle B + angle C = 180° so ,180 - 100 = 80 ° angle C = 80° The OPPOSITE angles of a PARALLELOGRAM are equal i.e, angle A = angle C = 80° angle B = angle D = 100° 80° + 80° = 160° Hence, the answer is 160° |
|