An equilateral triangle of side 3 inch each is given. How many equilateral…
2023
An equilateral triangle of side 3 inch each is given. How many equilateral triangles of side 1 inch can be formed from it?
- A.
9
- B.
15
- C.
0
- D.
6
Attempted by 33 students.
Show answer & explanation
Correct answer: A
Area of triangle = (√3/4)a2
Let number of 1 inch triangle = n
∴ n × (√3/4) 12 = (√3/4) × 32
⇒ n = 9