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Byju's Answer
Standard IX
Mathematics
Area of Triangle
Question 1 Wr...
Question
Question 1
Write True or False and justify your answer:
The area of a triangle with base 4cm and height 6cm is 24
c
m
2
.
Open in App
Solution
False
The area of a triangle
=
1
2
(
B
a
s
e
×
H
e
i
g
h
t
)
Given
Base = 4cm and Height = 6cm
∴
Area of a triangle
=
1
2
×
4
×
6
=
12
c
m
2
Suggest Corrections
4
Similar questions
Q.
Question 2
Write True or False and justify your answer:
The area of a
Δ
A
B
C
is 8
c
m
2
in which AB = AC = 4 cm and
∠
A
=
90
∘
Q.
Question 3
Write True or False and justify your answer:
The area of the isosceles triangle is
5
4
√
11
c
m
2
if the perimeter is 11cm and the base is 5cm.
Q.
Question 4
Write True or False and justify your answer:
The area of the equilateral triangle is
20
√
3
c
m
2
whose each side is 8cm.
Q.
Question 7
Write True or False and justify your answer:
The area of a regular hexagon of side ‘a’ is the sum of the areas of the five equilateral triangles with side 'a'.
Q.
Question 6
Write True or False and justify your answer:
The base and the corresponding altitude of a parallelogram are 10cm and 3.5cm, respectively. The area of the parallelogram is 30
c
m
2
.
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Area of Triangle
Standard IX Mathematics
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