# Pythagorean Theorem (lesson 2)

Maths
Valentine's day
1 / 10
Slide 1: Tekstslide
WiskundeMiddelbare schoolhavo, vwoLeerjaar 2

In deze les zitten 10 slides, met interactieve quizzen en tekstslide.

Lesduur is: 45 min

## Onderdelen in deze les

Maths
Valentine's day

#### Slide 1 -Tekstslide

Sometimes you need an extra line to
create a right angle. This line is called...
(you may look in your book)
A
a help line
B
an auxiliary line
C
a height line
D
a Pythagorean line

#### Slide 2 -Quizvraag

Pythagoras was born in...
A
-580 BC
B
500
C
1945
D
1982

#### Slide 3 -Quizvraag

Pythagoras was from ....
A
Belgium
B
France
C
America
D
Greece

#### Slide 4 -Quizvraag

Pythagorean theorem is ...
A
AB²+AC²=BC²
B
BC²+ AC² = AB²
C
AB²+BC²=AC²
D
No idea, I didn't do my homework

#### Slide 5 -Quizvraag

A certain triangle has sides of 9, 40 and 41 cm. Does this triangle have a right angle? Work it out in your notebook and take a picture.

#### Slide 6 -Open vraag

Before you can apply the Pythagorean Theorem, the triangle has to have .....
A
2 equals side
B
an angle larger than 90 degrees.
C
an angle of 90 degrees

#### Slide 7 -Quizvraag

Calculate the length of QR.
timer
1:20

#### Slide 8 -Open vraag

What is the purpose of the Pythagorean Theorem in a triangle?
A
Calculate the height
B
Calculate the angles
C
Calculate the depth
D
Calculate the sides

#### Slide 9 -Quizvraag

Calculate the distance between points A(3,1) and
B (-2,-1). Round to one decimal place.