Answer: -68.97x+ 41.61y+11.4
Step-by-step explanation:
Powers of ten! is the answer
Answer:
Angle 1 = 21
Angle 3 = 21
Angle 4 = 159
Step-by-step explanation:
R=d/2
R=40/2
R=20
A=πr^2
A=π20^2
A=π400
A=1256.637061
Area of triangle=(b*h) /2
A=(40*20)/2
A=800/2
A=400
Area of circle-area of triangle=area of shaded region
1256.637061-400=856.637061
Hope this helps!
Plug in all x's for 4. 4^2 = 16 --> 16x3=48 --> 48-7 = 41
41 is the final answer