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68 — S
HEET METAL/HVAC PRO CALC
3) Find the horizontal length ”Xp” between the objects and the hori-
zontal offset “Yp” between the objects:
KEYSTROKE DISPLAY
1. Enter sides a, b and c:
o o 0.
1 1 f 7 i 1 / 2 Ç 4 A 11 FEET 7-1/2 INCH
5 f 2 i Ç 5 B 5 FEET 2 INCH
7 f 9 i 3 / 1 6 Ç 6 C 7 FEET 9-3/16 INCH
2. Calculate and input Theta by subtracting Degree “A” (found by the
Law of Cosines) from 180°:
1 8 0 – Ç 9 /
_
A 126.8649°
= 53.13512
(Theta θ)
p /
_
Ø 53.13512°
3. Recall stored “c” and input as “r”:
® 6 = d R 7 FEET 9-3/16 INCH
4. Calculate horizontal length “Xp” between the objects:
R X 4
FEET 7-7/8 INCH
5. Calculate horizontal offset “Yp” between the objects:
r Y 6 FEET 2-9/16 INCH
STORED
STORED
STORED
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