InterviewSolution
Saved Bookmarks
| 1. |
The area of a trapezium is 18 sq.cm. Its height and base are 3 cm and 5 cm respectively. Find the length of the side parallel to the base.1). 4 cm2). 6 cm3). 8 cm4). 7 cm |
|
Answer» We know that area of trapezium = 1/2 × HEIGHT × (a + b) Where, a = LENGTH of the side parallel to the base b = base ⇒ 18 sq.cm = 1/2 × 3 × (a + 5) ⇒ 36 = 3a + 15 ⇒ 21 = 3a ⇒ a = 21/3 = 7 cm ∴ Length of the side parallel to the base is 7 cm |
|