Advertisements
Advertisements
प्रश्न
Find the missing value:
| Base | Height | Area of parallelogram |
| ______ | 8.4 cm | 48.72 cm2 |
Advertisements
उत्तर
| Base | Height | Area of parallelogram |
| 5.8 | 8.4 cm | 48.72 cm2 |
Explanation:
b = ?
h = 8.4 cm
Area = 48.72 cm2
b × 8.4 = 48.72
b = `48.72/8.4`
b = 5.8 cm
Therefore, the base of such parallelogram is 5.8 cm.
APPEARS IN
संबंधित प्रश्न
For what value of x will the points (x, –1), (2, 1) and (4, 5) lie on a line ?
Find the area of the triangle whose vertices are: (2, 3), (-1, 0), (2, -4)
In each of the following find the value of 'k', for which the points are collinear.
(7, -2), (5, 1), (3, -k)
Prove that the lines joining the middle points of the opposite sides of a quadrilateral and the join of the middle points of its diagonals meet in a point and bisect one another
Find the area of Δ ABC whose vertices are:
A (1,2) B (-2,3) and C (-3,-4)
The table given below contains some measures of the right angled triangle. Find the unknown values.
| Base | Height | Area |
| ? | 12 m | 24 sq.m |
The points (1,1), (-2, 7) and (3, -3) are ______.
Find the missing value:
| Base | Height | Area of parallelogram |
| ______ | 15 cm | 154.5 cm2 |
In the following figure, triangle AEC is right-angled at E, B is a point on EC, BD is the altitude of triangle ABC, AC = 25 cm, BC = 7 cm and AE = 15 cm. Find the area of triangle ABC and the length of DB.

Let a vector `αhati + βhatj` be obtained by rotating the vector `sqrt(3)hati + hatj` by an angle 45° about the origin in counter-clockwise direction in the first quadrant. Then the area of triangle having vertices (α, β), (0, β) and (0, 0) is equal to ______.
