Answer:
60°
Step-by-step explanation:
Angle 1 is a vertical angle to 60° by the definition of a vertical angle.
800(1+7)∧4
it will be $1048.63
500=4πr^2. first divide 500 from four which will equal 125, then divide 125 with π and it will equal 39.788 . finally √39.788. the answer will be r=6.3 or 6
1-3
2-6
3-9 This is an example of porportional.
1-4
2-3
3-9 There is no pattern so thin is Non-Porportional.
