Answer:
The measure of angle A is 32
Step-by-step explanation:
A+B=180
2x-16+5x+28=180
7x+12=180
7x=168
x=24
A=2(24)-16
A=48-16
A=32
Answer:
x=20
Step-by-step explanation:
73-13=60
60÷3=20
Answer:
Yes, No, No, No
Step-by-step explanation:
To decide whether the point lies on the circle, what you need to do it simply substituting the x and y values into the equation and check if it add up to be 25
(-5)² + 0² = 25, = RHS [Yes]
1² + (√7)² = 8, ≠ RHS [No]
(√21)² + (-3)² = 30, ≠RHS [No]
0² + 7² = 49, ≠RHS [No]
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