Answer:
3.The angle is 24°
4.120°
Step-by-step explanation:
There are 360° in a complete revolution thus for 15 equally space spokes, the angle between every spoke is given by 360° ÷ 15 =24°
In a clock, a complete revolution yields 360°. For a 20 minutes turn, the minute hand will cover (360° ÷ 12) × 4 =120°
Octagon:
= [(8-2)×180]÷8
= 135
Angle of LMN is:
= 360-135-60
= 165
Angle of EMN is:
= 180÷3
= 60
The number of side is :
[(n-2)×180]÷n = 165
(180n-360)÷n = 165
180n-360 = 165n
180n-165n = 360
15n = 360
n = 360÷15
n = 24
So, the number of side of the regular polygon R is 24.
C) 6 units
Point Q is at -4, so to get to Point S, which is at 2, you have to jump 6 units to get from Q to S.
Answer:
2.5 m/s
Step-by-step explanation:
Matty's speed = 9 km/hr
We need to convert 9 km/hr to m/s
We know that,
1 km = 1000 m
1 hour = 3600 seconds
![v=9\times \dfrac{1000\ m}{3600\ s}\\\\=2.5\ m/s](https://tex.z-dn.net/?f=v%3D9%5Ctimes%20%5Cdfrac%7B1000%5C%20m%7D%7B3600%5C%20s%7D%5C%5C%5C%5C%3D2.5%5C%20m%2Fs)
So, Matty jogs with the speed of 2.5 m/s.