Question

Define and give one example of each of the following angles.

(a) Right angle (b) Straight angle​

Answer 1

Answer:

Right angle

When two straight lines intersect each other at 90˚ or are perpendicular to each other at the intersection, they form the right angle. A right angle is represented by the symbol ∟. ... A square or rectangle has four corners with right angles. Examples of right angles are all around us.

Straight Angle

Some of the straight angle examples in our day-to-day life are: A flat surface has an angle of 180 degrees. A straight stick has an angle which is straight or 180 degree. A plane inclined staircase represents a straight angle.

Step-by-step explanation:

Hope it helps you

Answer 2

Answer:

a) an angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines is called right angle.

b) angle whose sides lie in opposite directions from the vertex in the same straight line and which equals two right angles is called straight angle