Find the measure of angle ABC.
A. 124
B. 97
C. 56
D. 51
2 answers:
180-32+15+5 = 3x
168/3 = x
X= 56 and now substitute 56 for x and u get ur angles 51 and 97
Answer D. 51
Step-by-step explanation:
Sum of the interior angles of a triangle is up to 180
.: 32+(2x-15) + (x-5) = 180
Group like terms
2x+x =180 - 32 + 15 + 5
When - and + sign cross equal sign it turns to the opposite
3x = 168
x= 168/3
.: X =56
Now put x = 56 in (x - 5)
Angle ABC = 51
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geometry - Becky, Saturday, May 4, 2013 at 7:44pm 4.2