Answer:
180
Step-by-step explanation:
You measure the size of an angle with a protractor. Or could be shown by an arc on the figure to indicate which angles that are congruent. Two angles whose measures together are 180° are called supplementary e.g. two right angles are supplementary since 90° + 90° = 180°.
420÷70%
=£600
the original price of the ring is £600
60 * 2 = 120
120 / 45 = 2.6...7
2.6 * 45 = 29.3... (3 repeating) mi.
Messed that up!
11 / 45 = .24...
.24 * 120 = 28.8<u />