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tamaranim1 [39]
3 years ago
12

700 1 4 3 2. Find the value of m23-m21.

Mathematics
1 answer:
algol133 years ago
3 0

Answer:

50 degree

Step-by-step explanation:

70+90+angle1=180

160+angle1=180

angle1=180-160

=20

angle1+angle2+angle3=180

20+90+angle3=180

110+angle3=180

angle3=180-110

angle3=70

angle 3-angle1=(70-20)degree

=50 degree

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