Use figure 1 for numbers 12-15
12. Which of the following statements is TRUE?
A. ∠H + ∠A = 90°
B. ∠B + ∠I = 200°
C. ∠E and ∠G are supplementary angles.
D. ∠ D and ∠C are adjacent angles.
13. What is the sum of the exterior angles?
A. 180°
B. 420°
C. 360°
D. 540°
14. What is the sum of the interior angles?
A. 180°
B. 420°
C. 360°
D. 540°
15. How many diagonals can be formed from a fixed vertex?
A. 3
B. 2
C. 1
D. 0
![Use Figure 1 For Numbers 121512 Which Of The Following Statements Is TRUEA H A 90B B I 200C E And G Are Supplementary Angles D D And C Are Adjacent Angles13 Wha class=](https://ph-static.z-dn.net/files/d11/79b16ec5e506616012a2f32069b4fb5f.jpg)