Onderzoek met een berekening of Δ P Q R \Delta PQR Δ P Q R rechthoekig is.

Δ P Q R \Delta PQR Δ P Q R is niet rechthoekig

Δ P Q R \Delta PQR Δ P Q R is wel rechthoekig, met ∠ P = 90 ° \angle P=90\degree ∠ P = 9 0 °

Δ P Q R \Delta PQR Δ P Q R is wel rechthoekig, met ∠ Q = 90 ° \angle Q=90\degree ∠ Q = 9 0 °

Δ P Q R \Delta PQR Δ P Q R is wel rechthoekig, met ∠ R = 90 ° \angle R=90\degree ∠ R = 9 0 °

5.2 deel 2 H Lesson Slides: 13 Slides (Grade 2)

13 Slides • 4 Questions

1

5.2 deel 2 H

Zijden van rechthoekige driehoeken berekenen

2

5.2 herhaling

3

4

5

Fill in the Blanks

Bereken BC, rond zo nodig af op 1 decimaal

Type answer...

6

7

8

5.2 Theorie C & D

9

10

Bereken AE

$\angle E=90\degree$ , dus
$AE^2+DE^2=AD^2$
$AE^2+4,8^2=6^2$
$AE^2+23,04=36$
$AE^2=36-23,04$
$AE^2=12,96$
$AE^{ }=\sqrt{12,96}=3,6$

11

Fill in the Blanks

Bereken BC

Rond zo nodig af op 1 decimaal

Type answer...

12

Fill in the Blanks

Bereken AF

Type answer...

13

14

15

Onderzoek met een berekening of $\Delta ABC$ rechthoekig is.

$AC^2+BC^2=$
$24^2+7^2=625$
$AB^2=25^2=625$
Heruit volgt, $AC^2+BC^2=AB^2$
Dus, $\angle C=90\degree$

16

Multiple Choice

Onderzoek met een berekening of $\Delta PQR$ rechthoekig is.

1

$\Delta PQR$ is niet rechthoekig

2

$\Delta PQR$ is wel rechthoekig, met $\angle P=90\degree$

3

$\Delta PQR$ is wel rechthoekig, met $\angle Q=90\degree$

4

$\Delta PQR$ is wel rechthoekig, met $\angle R=90\degree$

17

Huiswerk

5.2; 23 t/m 27 + 29 t/m 32

5.2 deel 2 H

Zijden van rechthoekige driehoeken berekenen

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