It's going to be number 4
Answer:
Step-by-step explanation:
<u>The two angles of the triangle ADB are:</u>
- m∠A/2 and m∠B/2 or
- α/2 and β/2
<u>The three interior angles add to 180°, so the missing angle is:</u>
- m∠ADB = 180° - 1/2(α + β)
Answer:
The first choice.
Step-by-step explanation:
Your graph should look like one below.
Answer:
The surface area is A≈96ft²