17. In an A-frame house, the two congruent sides extend from the ground to form a $$ 34^{\circ} $$ angle at the peak. What angle does each side form with the ground? $$ 146^{\circ} $$ ? $$ 73^{\circ} $$ 78 $$ 156^{\circ} $$.

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To determine the angle each side of the A-frame house forms with the ground, let's analyze the situation step by step.

1. **Understanding the Structure:**
   - The A-frame house forms an isosceles triangle where the two congruent sides meet at the peak.
   - The apex angle at the peak is $$34^\circ$$.

2. **Calculating the Base Angles:**
   - The sum of all angles in a triangle is $$180^\circ$$.
   - Let each base angle be $$x$$.
   - Therefore:
     $$
     34^\circ + 2x = 180^\circ
     $$
     $$
     2x = 180^\circ - 34^\circ = 146^\circ
     $$
     $$
     x = \frac{146^\circ}{2} = 73^\circ
     $$

3. **Conclusion:**
   - Each side of the A-frame forms a $$73^\circ$$ angle with the ground.

**Answer:** $$73^{\circ}$$
Each side forms a $$73^\circ$$ angle with the ground.

In an A-frame house, the two congruent sides extend from the ground to form a angle at the peak. What angle does each side form with the ground? ? 78 .

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