Question

6. Find a+b+c+d+ e in the figure
c
70
D​

Answer 1

Answer:

c70 this is. your answer

Answer 2

Answer:

Sum of interior angles of an n sided polygon = (2n−4)×90 degrees.

Let us find the sum of the interior angles of a heptagon.

Heptagon is a polygon with 7 sides.

⇒n=7

Sum of interior angles of a heptagon =(2×7−4)×90

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.

⇒10×90⇒=900

⇒900

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One angle of a heptagone=

7

900

=128.57

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So one angle of a triangle=180−128.57=51.43

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Another angle is 180−102.85=77.14

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So the sum of m∠A+m∠B+m∠C+m∠D+m∠E+m∠F+m∠G=77.17×7=540

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