Find the measure of each angle in Triangle ABC. mLa = (40x - 21)" m2b = (31 - 2x)* m/c = |3D %3D (+ 14) %3D OA. mZa = 23° mZb = 139" |3D %3D m/c = 18° OB. mZa = 18° m2b = 41° m/c = 121" OC. mLa = 139" %3D mZb = 23° m/c = 18° D. mZa = 181° mZb = 39° m/c = 10° |3D

Elementary Geometry For College Students, 7e
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Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
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ChapterP: Preliminary Concepts
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Find the measure of each angle in Triangle ABC.
m/a = (40x – 21)*
m2b = (31 – 2x)"
m/c = (x+14)
%3D
OA. mZa = 23°
mZb = 139°
m/c = 18°
B. mLa = 18°
mZb = 41°
mlc = 121°
OC. mZa = 139°
mZb = 23°
m/c = 18°
OD. mZa = 181°
mZb = 39°
m/c = 10°
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Transcribed Image Text:Find the measure of each angle in Triangle ABC. m/a = (40x – 21)* m2b = (31 – 2x)" m/c = (x+14) %3D OA. mZa = 23° mZb = 139° m/c = 18° B. mLa = 18° mZb = 41° mlc = 121° OC. mZa = 139° mZb = 23° m/c = 18° OD. mZa = 181° mZb = 39° m/c = 10° Reset Selection search F4 F5 F6 F8 F10 近
A(n)
triangle always has 2 congruent sides.
OA. isosceles
Ов. аcute
OC. right
OD. scalene
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F4 .
F5
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4.
6.
近
Transcribed Image Text:A(n) triangle always has 2 congruent sides. OA. isosceles Ов. аcute OC. right OD. scalene Reset Selection Previous Next o search F3 F4 . F5 F6 F7 F8 F10 4. 6. 近
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