Advertisements
Advertisements
Question
Find the area of a triangle whose base is 3.8 cm and height is 2.8 cm.
Advertisements
Solution
Base of a triangle = 3.8cm
Height of a triangle = 2.8cm
Area of a triangle
= `(1)/(2) xx "Base" xx "Height"`
= `(1)/(2) xx 3.8 xx 2.8`
= 5.32cm2.
APPEARS IN
RELATED QUESTIONS
The length of the sides of a triangle are in the ratio 3: 4: 5. Find the area of the triangle if its perimeter is 144 cm.
Find the area and the perimeter of quadrilateral ABCD, given below; if AB = 8 cm, AD = 10 cm, BD = 12 cm, DC = 13 cm and ∠DBC = 90°.
Two sides of a triangle are 6.4 m and 4.8 m. If the height of the triangle corresponding to 4.8 m side is 6 m;
find :
(i) area of the triangle ;
(ii) height of the triangle corresponding to 6.4 m sides.
The base and the height of a triangle are in the ratio 4: 5. If the area of the triangle is 40 m2; find its base and height.
The base and the height of a triangle are in the ratio 5 : 3. If the area of the triangle is 67.5 m2; find its base and height.
The cost of fencing a triangular field at the rate of Rs.15 per m is Rs.900. If the lengths of the triangle are in the ratio 3:4:5, find the area of the triangle and the cost of cultivating it at Rs.48 per kg sq.m.
Find the perimeter of An isosceles triangle with equal sides 10 cm each and third side is 7 cm
Find the perimeter of An equilateral triangle with side 6 cm
A piece of wire is 36 cm long. What will be the length of each side if we form an equilateral triangle
A piece of string is 30 cm long. What will be the length of each side if the string is used to form an equilateral triangle?
