Vertically opposite angles. Group 5

Which angles and vertically opposite angles?

• Angles: a and c

  b and d

• Angles: a and d

  b and c

• Angles: a and b

  c and d

If angle AEB=52⁰ , then:

• angle CEB=52⁰

• angle CED=52⁰

• angle AED=52⁰

Vertically opposite angles are always:

• Equal

• Supplementary

• Complementary

Two lines cross and form an angle of 45°. what is the measure of its vertically opposite angle?

• 135°

• 90°

• 45°

Two lines intersect forming angles A, B, C and D. If angle A is vertically opposite to angle C and angle A = 110°, what is angle C?

• 70°

• 110°

• 180°

Which of the following pairs are vertically opposite angles?

• Adjacent angles on a straight line

• Angles that are side by side

• Angles across from each other at the intersection of two lines

When two straight lines intersect, how many pairs of vertically opposite angles are formed?

• 3

• 2

• 4

Vertically opposite angles are next to each other.

• True

• False

Two lines can form only one pair of vertically opposite angles.

• False

• True

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