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Trigonometri - Intro

Authored by Jens Toft

Mathematics

9th Grade

Used 3+ times

Trigonometri - Intro
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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Hvad betyder det at to figurer, eksempelvis trekanter er ligedannede?

At trekanterne er helt ens

At trekanternes vinkler er ens

At trekanternes omkreds er ens

At trekanternes areal er ens

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Hvad er målestoksforholdet mellem disse ligedannede trekanter?

3:4

4:9

1:3

1:9

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Hvad er hypotenusen ?

Den længste side i en retvinklet trekant

Vinkelsummen i en trekant

b) på tegningen

Den længste side i en retvinklet trekant

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

I hvilken type trekant kan man anvende Pythagoras' sætning?

Store trekanter

Stumpvinklede trekanter

Retvinklede trekanter

Spidsvinklede trekanter

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Hvordan er Pythagoras' sætning ?

a+b=a+ca+b=a+c

a+b2\sqrt[2]{a+b}

a⋅2+b⋅2=c⋅2a\cdot2+b\cdot2=c\cdot2

a2+b2=c2a^2+b^2=c^2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

I en retvinklet trekant er den ene vinkel 30 grader, hvad er den sidste vinkel?

30°30\degree

45°45\degree

60°60\degree

90°90\degree

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Hvilken trekant er retvinklet ?

1: Blå

3: Grøn

5: Gul

2: Rød

4: Lilla

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