Math angle properties

Question 1

All 3 angles in triangles

Answer 1

∠Sum of △

Question 2

Sum of interior opposite angles is equal to outside angle

Answer 2

ext. ∠ of △

Question 3

base angles of isosceles triangle

Answer 3

base ∠ of isos. △

Question 4

Each interior angle is 60 degrees

Answer 4

∠ s of equilateral △

Question 5

Sum of angles on straight line

Answer 5

adj. ∠s on a str. Line

Question 6

Angles at a point

Answer 6

∠s at a point

Question 7

Vertically opposite angles

Answer 7

vert. Opp. ∠s

Question 8

corresponding angles are equal

Answer 8

Corr. ∠s, MN//PQ

Question 9

Interior angles are supplementary

Answer 9

int. ∠s, AB//CD

Question 10

Alternate angles are equal

Answer 10

alt. ∠s, EF//GH