Outer radius: Ro = 11 m
Inner radius: Ri = 9 m
Area of the sidewalk: A = <span>π (Ro^2 - Ri^2)
A = </span><span>π ( (11 m)^2 - (9 m)^2 )
A= </span><span>π ( 121 m^2 - 81 m^2 )
A = </span><span>π ( 40 m^2 )
A= 40</span><span>π m^2
The exact area of the sidewalk is 40</span><span>π square meters
A = 40 (3.14) m^2
A = 125.6 m^2
The approcimate area of the sidewalk is 125.6 m^2</span>
Answer:
2/65 = 4 teachers for 130
3/100 = 9 teachers for 300
2/55 = 8 teachers for 220
3/85 = 6 teachers for 170
Step-by-step explanation:
25. C
26. C
Hope this helps!
Answer:
sin 0 = 24/25
cos 0 = 7/25
tan 0 = 24/7
Step-by-step explanation:
hey there!
sine = opposite divided by hypotenuse
the opposite of angle 0 is 24 and the hypotenuse is 25 so sin 0 = 24/25
cosine = adjacent divided by hypotenuse
the adjacent of 0 is 7 and the hypotenuse is 25 so cos 0 = 7/25
Tangent.= opposite divided by adjacent
the opposite of 0 is 24 and the hypotenuse is 7 so tan 0 = 24/7
