Answer:
60°
Step-by-step explanation:
Assuming AB is a straight line
∠ACD + ∠DCE + ∠ECB = 180° (property of adjacent angles on a straight line)
hence
x + 3x + 2x = 180°
6x = 180°
x = 180/6 = 30°
2x = 30° x 2 = 60°
Each octave in the piano is composed of 8 keys with the end key overlapping the next one which means the last key is the first key of the next octave. In 52 white keys, there are 7 octaves which is composed of 43 full keys and 7 overlapping keys. Answer to this problem is 7 octaves.
Answer:
10/12 of the pizza
Step-by-step explanation: