3 years ago

Show that angle a+ angle b is equal to angle d

Mathematics

2 answers:

mr_godi [17]3 years ago

8 0

sum of two angles of triangle are equal to the exterior angle of triangle

mestny [16]3 years ago

6 0

Answer:

Below.

Step-by-step explanation:

a + b + c = 180 degrees (angles in a triangle)

c + d = 180 degrees ( adjacent angles).

So, subtracting the 2 equations:

a + b + c - c - d = 0

a + b - d = 0

a + b = d.

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3 years ago

Show that angle a+ angle b is equal to angle d​

Show that angle a+ angle b is equal to angle d