Evaluare sumativă( Relații metrice în tr. dreptunghic)

Evaluare sumativă( Relații metrice în tr. dreptunghic)

8th Grade

10 Qs

quiz-placeholder

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Evaluare sumativă( Relații metrice în tr. dreptunghic)

Evaluare sumativă( Relații metrice în tr. dreptunghic)

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Svetlana Mereuta

Used 31+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Formula pentru teorema înălțimii este:

AD2=BDDCAD^2=BD\cdot DC

AD=BDDCAD=BD\cdot DC

AD=BD+DC2AD=\frac{BD+DC}{2}

BD=DCADBD=DC-AD

Alt răspuns

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Formula pentru teorema catetei este:

Alt răspuns

AB2=BDBCAB^2=BD\cdot BC

AB2=BDDCAB^2=BD\cdot DC

AC=BDDCAC=BD\cdot DC

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Care din expresii reprezintă Teorema lui Pitagora?

BC=AB+ACBC=AB+AC

AB2=BC2+AC2AB^2=BC^2+AC^2

BC2=AB2+AC2BC^2=AB^2+AC^2

AC2=BC2+AB2AC^2=BC^2+AB^2

Alt răspuns

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Sinusul unghiului A este:

Alt răspuns

sinA=BCAB\sin A=\frac{BC}{AB}

sinA=ACAB\sin A=\frac{AC}{AB}

sinA=BCAC\sin A=\frac{BC}{AC}

sinA=ACBC\sin A=\frac{AC}{BC}

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Cosinusul unghiului A este:

cosA=BCAB\cos A=\frac{BC}{AB}

cosA=ACAB\cos A=\frac{AC}{AB}

cosA=BCAC\cos A=\frac{BC}{AC}

cosA=ACBC\cos A=\frac{AC}{BC}

Alt răspuns

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Tangenta unghiului A este:

tgA=BCABtgA=\frac{BC}{AB}

tgA=ACABtgA=\frac{AC}{AB}

tgA=BCACtgA=\frac{BC}{AC}

tgA=ACBCtgA=\frac{AC}{BC}

Alt răspuns

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Cotangenta unghiului A este:

Alt răspuns

ctgA=BCAB\operatorname{ctg}A=\frac{BC}{AB}

ctgA=ACAB\operatorname{ctg}A=\frac{AC}{AB}

ctgA=BCAC\operatorname{ctg}A=\frac{BC}{AC}

ctgA=ACBC\operatorname{ctg}A=\frac{AC}{BC}

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