Advertisements
Advertisements
प्रश्न
Find the missing value:
| Base | Height | Area of Triangle |
| 22 cm | ______ | 170.5 cm2 |
Advertisements
उत्तर
| Base | Height | Area of Triangle |
| 22 cm | 15.5 | 170.5 cm2 |
Explanation:
b = 22 cm
h = ?
Area = `1/2 xx b xx h` = 170.5 cm2
`1/2 xx 22 xx h` = 170.5 cm2
h = `(170.5 xx 2)/22`
h = 15.5 cm
Therefore, the height of such triangle is 15.5 cm.
APPEARS IN
संबंधित प्रश्न
In each of the following find the value of 'k', for which the points are collinear.
(8, 1), (k, -4), (2, -5)
Find values of k if area of triangle is 4 sq. units and vertices are (k, 0), (4, 0), (0, 2).
Prove that the points (a, b), (a1, b1) and (a −a1, b −b1) are collinear if ab1 = a1b.
Find the area of ΔABC whose vertices is A(–5, 7), B(–4, –5) and C(4, 5).
For what values of k are the points A(8, 1), B(3, –2k) and C(k, –5) collinear?
Find the value of x for which the points (x, −1), (2, 1) and (4, 5) are collinear ?
The table given below contains some measures of the right angled triangle. Find the unknown values.
| Base | Height | Area |
| ? | 12 m | 24 sq.m |
Show that the points (a + 5, a – 4), (a – 2, a + 3) and (a, a) do not lie on a straight line for any value of a.
The area of a triangle with vertices (a, b + c), (b, c + a) and (c, a + b) is ______.
Find the area of the trapezium PQRS with height PQ given in the following figure.

