3Tvwo Ch8/Ch10 PRACTICE TEST(Workbook 3B)

• Wiskunde
• Middelbare school
• vwo
• Leerjaar 3

First ....

Math B pupils are offered a few tricky M.C. questions about some of the Practice Test Ch10 - tasks, by me!

Math A pupils:

You may start doing Practice Test Ch8 already (today no more slides for you)

after watching the JOKE on the next slide!

Today: WORKBOOK 3B: PRACTICE TEST

CH 8 or CH 10

You need:

+ WORKBOOK 3B !     

+ Notebook

+ Textbook 3B for background information!

+ pen, pencil, ruler and Math B: a pair of Compasses too

+ Math A: for you your Calculator will be indispensable.

Question 1:

What special line do you need?

 

A. Median                     B. Perpendicular bisector

C. Angle bisector      D. Altitude 

Key in your answer in the next slide!

Answer 1:
The special you need is:
A. Median B. Perpendicular bisector
C. Angle bisector D. Altitude

1. Median
2. Perpendicular bisector
3. Angle bisector
4. Altitude

Explanation question 1:

 2 arcs, drawn

by a pair of Compasses, 

from Medemblik and Den Oever, 

are needed too, of course!

For this: see next slide!

Question 2:

What special line do you need?

What special lines do you need,

to construct the orthocentre?

A. Perpendicular bisectors    B. Altitudes

C. Angle bisectors                      D. Medians

Fill in in the next slide!

Question 2:
What special lines do you need?
A. PB B. A
C. AB D. M

1. Perpendicular bisectors
2. Altitudes
3. Angle bisectors
4. Medians

Explanation answer 2:

Question 3: 

What special lines do you need now?

First read carefully the text 'in white'!

A. Altitudes                    B. Medians

C. Angle bisectors      D. Perpendicular bisectors

Question 3:
What special lines do you need?

1. Altitudes
2. Medians
3. Angle bisectors
4. Perpendicular bisectors

Explanation answer 3

in next slide!

The picture shown in the next slide

is taken from another exercise.

Watch the purple coloured area, made by the angle bisectors.

(Won't give the right answer away, yet!)

Homework time

+ Thanks for 

a. your attention and

b. participation!

+ Good luck doing the Summary.