So, first, we know that the whole angle must equal 90 because there's a right angle symbol, and right angles equal 90 degrees.
So, 43 + x + 3 must equal 90.
Or, 46 + x = 90
Then subtract 46 from both sides.
x = 90 - 46
x = 44
These would also be adjacent angles because they share the same vertex.
Answer: he has read 15% and still needs to read 85%
Step-by-step explanation: 300/20 is 15 so that’s the percent he has read. 100-15=85 so that’s the percent he still has left to read
Answer:
1221 - 321 = 900
Step-by-step explanation:
