one of the angles of a triangle is 100° and the other two angle are equal. find the measure of each of the equal angles
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one of the angles of a triangle is 100° and the other two angle are equal. find the measure of each of the equal angles
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Answer:
40°
Step-by-step explanation:
Because the sum of all angles in the triangle is 180°
Answer:
To Find : In the figure given alongside, find the measure of ∠ACD.
In the given figure, side BC of ΔABC is produced to D.
Consider the ΔABC,
We know that the exterior angle of a triangle is equal to the sum of its interior opposite angles.
∴ ∠ACD = ∠ABC + ∠BAC
∠ACD = 45° + 75°
∠ACD = 120°
Hence, the measures of ∠ACD is 120°.
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