-42-[(-30)]+[(-50)]
2 answers:
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Answer:
Step-by-step explanation:
In isosceles trapezoid JKLM,
Given: and
Since, JKLM is an isosceles trapezoid so each pair of base angles is congruent.
As, we know that the sum of the angle of a trapezoid is
The angles are:
Therefore,
Combine like terms;
Subtract 40 from both sides we get;
Simplify:
Divide both sides by 56 we get;
To find the angle of :
Simplify:
Therefore, the value of angle of