Proof: Triangle Sum Theorem 2
P = x
R = 2x
S = (3/4)x
R = 96
1.
1.
(4/15) * (15/4)x
= (4/15) * (180
); x
= 48
R = 2x
P = x
x
+ 2x
+ (3/4)x
= 180
; (15/4)x
= 180
S = (3/4)x
P +
R +
S = 180
R = 2 * 48
;
R = 96
ProveIt!
by Michael Ferraro <
mferraro@balstaff.org
>.
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