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question no 24
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Answer:
Angle E is equal to 25 degrees.
Please refer the above photograph for the used process.
KEY POINTS TO REMEMBER :
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EXTERIOR ANGLE PROPERTY OF A
TRIANGLE :
The exterior angle property of a triangle states that the exterior angle of a triangle is equal to the sum of interior opposite angles.
SUBSTITUTION :
It is a process in which one value of a variable is equated with the other value of same variable.
For example:
If x = 2y and x = 40
So, x = x
This means that 2y = 40 and y =20 degrees.
This is what substitution means.
ANGLE BISECTORS : The lines which divided an angle into two equal parts of equal value are known as the angle bisectors of the angle.
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Answer:
hi
Step-by-step explanation:
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