Angelica would have painted the bedroom in 20 hours if every hour she painted 1/20. But she doesn't paint 1/20 of a room per hour but rather 30 minutes. That means it will take her 10 hours to paint the whole room.
Hope this helps.
Answer:
44º
44º
136º
22º
Step-by-step explanation:
If you want i can explain in the comments.
Answer:
270cm squared
area of shaded part rectangle is 180
are of triangle is 48 and 42 respectively you add the three to get 270
The answer is 42.4 because I times it: 5.3 * 18 = 95.39