1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard VII
Mathematics
Perimeter
Mark (✓) agai...
Question
Mark (✓) against the correct answer
Each side of an equilateral triangle is 8 cm. Its area is
(a)
16
3
cm
2
(b)
32
3
cm
2
(c)
24
3
cm
2
(d)
8
3
cm
2
Open in App
Solution
(a)
16
3
cm
2
Given that each side of an equilateral triangle is 8 cm.
∴ Area of the equilateral triangle =
3
4
side
2
sq. units
=
3
4
8
2
cm
2
=
3
4
×
64
cm
2
=
16
3
cm
2
Suggest Corrections
0
Similar questions
Q.
Mark (✓) against the correct answer
Each side of an equilateral triangle is 8 cm. Its area is
(a)
16
3
cm
2
(b)
32
3
cm
2
(c)
24
3
cm
2
(d)
8
3
cm
2
Q.
Each side of an equilateral triangle is increasing at the rate of 8 cm/hr. The rate of increase of its area when side is 2 cm, is
(a)
8
3
cm
2
/
hr
(b)
4
3
cm
2
/
hr
(c)
3
8
cm
2
/
hr
(d) none of these
Q.
Side of an equilateral triangle expands at the rate of 2 cm/sec. The rate of increase of its area when each side is 10 cm is
(a)
10
2
cm
2
/
sec
(b)
10
3
cm
2
/
sec
(c) 10 cm
2
/sec
(d) 5 cm
2
/sec
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Perimeter
MATHEMATICS
Watch in App
Explore more
Perimeter
Standard VII Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Solve
Textbooks
Question Papers
Install app