Deck 7: Drafting Geometry

Question 1

Name three types of quadrilaterals.

Answer 1

. Four types of quadrilaterals: 1. A square has four equal sides and 90° internal angles. A rectangle has opposite equal sides and 90° internal angles. 2. A rhombus has four equal sides but no 90° internal angles. A rhomboid has opposite sides equal but no 90° internal angles. 3. A trapezoid has two parallel sides. 4. A trapezium has no parallel sides.

Question 2

Compare the characteristics of a square and rectangle.

Answer 2

. A square has four equal sides and four 90º angles. A rectangle has four 90º angles and sides, creating a different length and width.

Question 3

Define triangle.

Answer 3

A triangle is a geometric figure formed by three intersecting lines creating three angles. The sum of the interior angles always equals 180°.

Question 4

Show how an angle is named.

Question 5

Show two methods of naming triangles.

Question 6

How are angles sized?

Question 7

Name and show an example of three types of triangles.

Question 8

Sketch an example of a line tangent to a circle and two circles tangent to each other.

Question 9

What is the name of the distance that goes across a circle through its center?

Question 10

Identify the angle formed by a perpendicular bisector. 59728_ch07_EOC_ptg01.indd 1 03/02/16 10:24 am

Question 11

Define parallel lines.

Question 12

Define perpendicular.

Question 13

What is a circle called that touches the corners of a polygon?

Question 14

What name is given to the distance from the center to the circumference of a circle?

Question 15

What is a circle called that touches the flats of a polygon?

Question 16

Name four basic types of angles.

Question 17

Sketch and label an example of concentric and eccentric circles.

Question 18

Give the number of sides found on each of the following regular polygons: triangle, square, pentagon, hexagon, and octagon.

Question 19

How many degrees are there in a circle?

Question 20

What is known to be true about the opposite angles created by intersecting lines?