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
The class X students of a secondary school in Krishinagar have been allotted a rectangular plot of land for their gardening activity. Saplings of Gulmohar are planted on the boundary at a distance of 1 m from each other. There is a triangular grassy lawn in the plot as shown in the following figure. The students are to sow seeds of flowering plants on the remaining area of the plot.
(i) Taking A as origin, find the coordinates of the vertices of the triangle.
(ii) What will be the coordinates of the vertices of Δ PQR if C is the origin?
Also calculate the areas of the triangles in these cases. What do you observe?
Show that the following points are collinear:
A(5, 1), B(1, –1) and C(11, 4)
Find the value of x for which the points (x, −1), (2, 1) and (4, 5) are collinear ?
In ☐ABCD, l(AB) = 13 cm, l(DC) = 9 cm, l(AD) = 8 cm, find the area of ☐ABCD.
The table given below contains some measures of the right angled triangle. Find the unknown values.
| Base | Height | Area |
| ? | 12 m | 24 sq.m |
If the points (a1, b1), (a2, b2) and(a1 + a2, b1 + b2) are collinear, then ____________.
The area of a triangle with vertices A(3, 0), B(7, 0) and C(8, 4) is ______.
Points A(–6, 10), B(–4, 6) and C(3, –8) are collinear such that AB = `2/9` AC.
A rectangular plot is given for constructing a house, having a measurement of 40 m long and 15 m in the front. According to the laws, a minimum of 3 m, wide space should be left in the front and back each and 2 m wide space on each of other sides. Find the largest area where house can be constructed.
Find the missing value:
| Base | Height | Area of parallelogram |
| ______ | 15 cm | 154.5 cm2 |
