Geometric Reasoning

Question 0

What is a reflex angle, a straight angle and a right angle?

Answer 0

One. A reflex angle is an angle which is greater than 180°
Two. A Straight angle is an angle which is exactly 180°
Three. A right angle is an angle which is exactly 90°

Question 1

What is an acute angle and a obtuse angle?

Answer 1

One. An acute angle is an angle which is less the 90°

Two. A obtuse angle is an angle which is greater than 90° but less then 180°

Question 2

What is an isosceles triangle, equilateral triangle and scalene triangle?

Answer 2

One. An isosceles triangle has two equal sides and two equal angles.
Two. An equilateral triangle has three equal sides and three equal angles.
Three. An scalene triangle has no equal sides and no equal angles.

Question 3

What is the rule for angles at a point?

Answer 3

Angles it at point add to 360°

Question 4

What is the rule for angles in a triangle?

Answer 4

Angles in a triangle add to 180°

Question 5

What is the rule for an exterior angle and the two interior angles?

Answer 5

The exterior angle of a triangle is the sum of two interior opposite angles.

Question 6

What is the rule for corresponding angles on a parallel line?

Answer 6

Corresponding angles are equal on parallel lines.

They form an F shape.

Question 7

What is the rule for alternate angles on parallel lines?

Answer 7

Alternate angles are equal on parallel lines.

They form a Z shape.

Question 8

What is the rule for Co interior angles on a parallel line?

Answer 8

Co interior angles on parallel lines Add to 180°

They form a N or U or C shape