Mathematics

Grade9

Easy

Question

The measure of the angle $∠ B i s______.$

89°
211°
119°
81°

hint Hint:

If a side of a triangle is produced, then the exterior angle so formed is equal to the sum of the two interior opposite angles.

The correct answer is: 89°

Given Angle D = 150° and angle B = 61° If a side of a triangle is produced, then the exterior angle so formed is equal to the sum of the two interior opposite angles.
As per exterior angle theorem, angle D = angle A + angle B
$150 equals 61 plus angle B angle B equals 150 minus 61 angle B equals 89 degree$
Therefore, Value of angle B is 89°.

The measure of the angle $∠ B C D i s______.$

MathematicsGrade9

Grade9

Mathematics

The measure of the angle $straight m angle A$ is ___________. Remember $angle straight A plus angle straight B plus angle straight C space equals space 180 to the power of ring operator$

MathematicsGrade9

Grade9

Mathematics

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The measure of the angle is ______.

89°211°119°81°

If a side of a triangle is produced, then the exterior angle so formed is equal to the sum of the two interior opposite angles.

The correct answer is: 89°

Given Angle D = 150° and angle B = 61° If a side of a triangle is produced, then the exterior angle so formed is equal to the sum of the two interior opposite angles.As per exterior angle theorem, angle D = angle A + angle B Therefore, Value of angle B is 89°.

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The measure of the angle $∠ B i s______.$

89°
211°
119°
81°

The measure of the angle $∠ B C D i s______.$

The measure of the angle $∠ B C D i s______.$

The measure of the angle $straight m angle A$ is ___________. Remember $angle straight A plus angle straight B plus angle straight C space equals space 180 to the power of ring operator$

The measure of the angle $straight m angle A$ is ___________. Remember $angle straight A plus angle straight B plus angle straight C space equals space 180 to the power of ring operator$

Classify the triangle whose angle measures are 40 $°$ °, 60 $°$ , and 80 $°$ °.

Classify the triangle whose angle measures are 40 $°$ °, 60 $°$ , and 80 $°$ °.

The measure of the angle $∠ A i s______.$

The measure of the angle $∠ A i s______.$

The measure of the angle x $i s______.$

The measure of the angle x $i s______.$