6
algebraThe angles of a triangle are in ratio 1:2:3. What is the smallest angle?
A
30
B
90
C
45
D
60
Correct Answer: A
Choice Ahoice D is the correct answer.
- Equation:
- Combine:
- Divide by 6:
Choice Ahoice D is incorrect because this is the middle angle.
Choice Ahoice C is incorrect because this is the largest angle.
Choice Ahoice C is incorrect because calculation error.