6. In a rectangle ABCD, AB = 12 cm and ZBAC = 30°. Calculate the lengths of side BC and
diagonal AC.
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Answered by
1
Answer:
BAC=30
o
tan30
o
=
AB
BC
⇒BC=12×
3
1
=4
3
⇒AC=
AB
2
+BC
2
=
144+48
=8
3
Step-by-step explanation:
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