Identify like terms in the following:
(a)–xy2,–4yx2,8x2,2xy2,7y,–11x2,–100x,–11yx, 20x2y,–6x2,y,2xy,3x
(b) 10pq,7p,8q,–p2q2,–7qp,–100q,–23,12q2p2,–5p2,41,2405p,78qp,13p2q,qp2,701p2
(a) Like terms are: (i) -xy2,2xy2 (ii) -4yx2,20x2y (iii) 8x2,-11x2,-6x2 (iv) 7y, y (v) -100x, 3x (vi) -11yx, 2xy
(b) Like terms are: (i) 10pq,-7pq,78pq (ii) 7p,2405 p (iii) 8q,-100q (iv) -p2q2,12p2q2 (v)-12,41 (vi) -5p2,701p2 (vii)13p2q,qp2


| So No | Base | Height | Area of parallelogram |
|---|---|---|---|
| a. | 20 cm | - | 246 \(cm^2\) |
| b. | - | 15 cm | 154.5 \(cm^2\) |
| c. | - | 8.4 cm | 48.72 \(cm^2\) |
| d. | 15.6 cm | - | 16.38 \(cm^2\) |
| Base | Height | Area of triangle |
|---|---|---|
| 15 cm | - | 87 \(cm^2\) |
| - | 31.4 mm | 1256 \(mm^2\) |
| 22 cm | - | 170.5 \(cm^2\) |



| So No | Base | Height | Area of parallelogram |
|---|---|---|---|
| a. | 20 cm | - | 246 \(cm^2\) |
| b. | - | 15 cm | 154.5 \(cm^2\) |
| c. | - | 8.4 cm | 48.72 \(cm^2\) |
| d. | 15.6 cm | - | 16.38 \(cm^2\) |
| Base | Height | Area of triangle |
|---|---|---|
| 15 cm | - | 87 \(cm^2\) |
| - | 31.4 mm | 1256 \(mm^2\) |
| 22 cm | - | 170.5 \(cm^2\) |
