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8. Press e and then 45 e.
• After getting the answer, press e to
return to the display for entering
variables.
9. Press @ h.
• Sides b and c are both the same length
in triangle 2 as in triangle 1, so you do
not have to re-enter these values.
10. Press e and then d 4 e
@ h.
Area of triangle 3 is
displayed.
BCsinA©2=
7.071067812
BCsinA©2=
5.303300859
Chapter 3: Scientific Calculations
2BCsinA©2
B=z 3.
Area of triangle 2 is
displayed.