Matematikk klasse 10 - Algebra

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Questions and Answers

Hva er formelen for å beregne arealet av en sirkel?

  • $ rac{1}{2} imes ext{radius}^2$
  • $ ext{radius} imes ext{diameter}$
  • $ rac{4}{3} imes ext{pi} imes ext{radius}^3$
  • $ ext{pi} imes ext{radius}^2$ (correct)

Hvilket prinsipp brukes for å bestemme grunnleggende trigonometri?

  • Forholdet mellom hulrom
  • Likevekt av krefter
  • Symmetrisk prinsipp
  • Pythagoreisk teorem (correct)

Hvilken av følgende likninger representerer en linje i et koordinatsystem?

  • $x^2 + y^2 = r^2$
  • $y^2 = mx + c$
  • $y = mx + c$ (correct)
  • $y = a^2 + b^2$

Hvilket av følgende begrep refererer til summen av vinkler i en trekant?

<p>Vinkelsum (C)</p> Signup and view all the answers

Hva er konsekvensen av å bruke feilheterogene datatyper i programmering?

<p>Mulig feil i kompileringen (A)</p> Signup and view all the answers

Flashcards

Area of a circle?

Area = π * radius^2

Trigonometry's principle?

The Pythagorean theorem (a² + b² = c²) is used to define fundamental trigonometric relationships in right triangles.

Equation of a line?

y = mx + c represents a line in a coordinate system where 'm' is the slope and 'c' is the y-intercept.

Sum of angles in a triangle?

The sum of all angles inside a triangle is equal to 180 degrees.

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Using wrong data types?

Using incorrect or heterogeneous data types in programming can lead to compilation errors.

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