Answer:
4.80 units (3 s.f.)
Step-by-step explanation:

Hence, length of AB
= √(11+1)^2 - (8+3)^2
= √ 12^2 -11^2
= √ 23
= 4.80 units (3 s.f.)
Answer:
Step-by-step explanation:
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Answer:
0.91
Step-by-step explanation:
Answer:
This is not a dating app.
They must equal 180°. Supplementary angles equal 180°