In the figure, AC = 8 cm, ABC = 90°. ZBAC = 60°,
ACB = 30°. Complete the following activity to
find AB and BC.
А
60°
8 cm
30°
B
C
In ΔΑΒC, ,
by 30°-60°-90° triangle theorem,
AC
AB=-XAC and BC=
2
X8
1
• AB=-X8 and BC=
2
cm
.. AB=
cm and BC=
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Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP).
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