Area of Triangle
Trending Questions
- DE ∥ BC
- 2 × DE = BC
- DE = 2 × BC
- DE = 12 × BC
Of the given perimeter, the triangle having maximum area is
Isosceles triangle
Right angle triangle
Equilateral
None of these
If AD is the median of triangle ABC as shown in the figure, area of triangle ADC is________
- 12 cm2
- 4 cm2
- 6 cm2
- 3 cm2
If the area of a triangle is 48 cm2 and its base is 8cm.Then find the height of the triangle.
6cm
24cm
9cm
12cm
The area of is in which and . Write True or False and justify your answer.
- True
- False
Write True or False and justify your answer:
The area of a triangle with base 4cm and height 6cm is 24 cm2.
In a right angled triangle if the base is 3 cm and perpendicular is 4 cm.What is the area of that triangle?
6cm2
7cm2
8cm2
10cm2
- 35 cm2
- 55 cm2
- 45 cm2
- 40 cm2
The triangular side walls of a flyover have been used for advertisement. The sides of the walls are 122m, 22m, and 120m (see the given figure). The advertisements yield an earning of Rs 5000 per m2 per year. A company hired one of its walls for 3 months. How much rent did it pay?
The mid points of an equilateral triangle of side 10 cm are joined to form a triangle. What type of triangle is obtained by joining the mid points?
Equilateral triangle of side 5 √3cm
Isosceles triangle, in which the equal sides measure 5 √2cm
Isosceles triangle, in which the unequal side measures 5 √2cm
Equilateral triangle of side 5cm
A trapezium with its parallel sides is in the ratio 16: 5 is cut from a rectangular whose sides measure 63 m and 5 m respectively. The area of the trapezium is 415 of the rectangle. Find the difference between the lengths of the parallel sides of the trapezium.
13.6 m
18.4 m
17.6 m
None of these
- 1200 cm2
- 800 cm2
- 1600 cm2
- 400 cm2
Prove that two triangles on the same base (or equal bases) and between the same parallels are equal in area.
[4 MARKS]
What is the area of an equilateral triangle whose side is 8cm?Also find the corresponding altitude of the base. [4 MARKS]
If the base of a triangle is 24cm and height is 48cm.What will be the area of the triangle in cm2?
566
576
766
676
What is the area of a right angled triangle if its sides are 6 cm, 8 cm and 10 cm?
26 cm2
24 cm2
36 cm2
40 cm2
Write True or False and justify your answer:
The area of a ΔABC is 8 cm2 in which AB = AC = 4 cm and ∠A=90∘
A Triangle and a parallelogram have the same base and the same area. If the sides of triangle are 26cm, 28cm and 30cm, and the parallelogram stands on the base 28 cm, find the height of the parallelogram.
The sides of a triangle are 35 cm, 54 cm and 61 cm, respectively. The length of its longest altitude is
- 16√5 cm
- 10√5 cm
- 24√5 cm
- 28 cm
P and Q are any two points lying on the sides DC and AD respectively of a parallelogram ABCD. Show that ar(APB) = ar(BQC).
- Area of (DEF) = 14 Area of Δ ABC
- Area of (BDEF) = 12 Area of Δ ABC
- BDEF is a parallelogram
- Area of (BDEF) = 14 Area of Δ ABC
- 17.5 sq. units
- 25 sq. units
- 14 sq. units
- 15 sq. units
ABC is a triangle in which D is the mid-point of BC. E and F are mid-points of DC and AE respectively. If ar(△ABC) = 16 cm2, then
ar(△DEF) is
- 1 cm2
- 2 cm2
- 8 cm2
- 4 cm2
AD is the median of the △ABC. If the area of △ABD=10 sq. units, find the area of △ABC
- 30 sq. units
- 40 sq. units
- 60 sq. units
- 20 sq. units
- 7m2
- 9m2
- 6m2
- 5m2
If the height and base of the right triangle is 12 cm and 9 cm resp., the area of the triangle is
- an equilateral
- an isosceles
- a scalene