Advertisements
Advertisements
प्रश्न
The area of triangle formed by the points (− 5, 0), (0, – 5) and (5, 0) is
विकल्प
0 sq.units
25 sq.units
5 sq.units
none of these
उत्तर
25 sq.units
Explanation;
Hint:
Area of the ∆
= `1/2[25 + 0 + 0 - (0 - 25 + 0)]`
= `1/2[25 + 25]`
⇒ `1/2 xx 50`
= 25 sq.units
APPEARS IN
संबंधित प्रश्न
The perimeter of a triangular field is 240 dm. If two of its sides are 78 dm and 50 dm, find the length of the perpendicular on the side of length 50 dm from the opposite vertex.
Find the area of an isosceles triangle having the base x cm and one side y cm.
Look at the measures shown in the adjacent figure and find the area of ☐ PQRS.
Find the area of the triangle formed by the points
(–10, –4), (–8, –1) and (–3, –5)
Using Heron’s formula, find the area of a triangle whose sides are 1.8 m, 8 m, 8.2 m
Find the area of the unshaded region
The semi-perimeter of a triangle having sides 15 cm, 20 cm and 25 cm is
An isosceles right triangle has area 8 cm2. The length of its hypotenuse is ______.
The perimeter of a triangular field is 420 m and its sides are in the ratio 6 : 7 : 8. Find the area of the triangular field.
The sides of a quadrilateral ABCD are 6 cm, 8 cm, 12 cm and 14 cm (taken in order) respectively, and the angle between the first two sides is a right angle. Find its area.
