Construct an isosceles triangle whose vertical angle is `60^(@)` and the altitude is 4.6 cm.

Explanation

To construct an isosceles triangle with a vertical angle of \(60^\circ\) and an altitude of \(4.6 \, \text{cm}\), follow these steps:

### Step-by-Step Solution:

1. **Draw the Base Line:**
- Draw a horizontal line segment \(BE\) of any convenient length. This will serve as the base of the isosceles triangle.

2. **Mark the Midpoint:**
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