Elementary Geometry

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In elementary geometry, two geometric objects are perpendicular if their intersection forms angles that are?

60 degrees or π/3 radians wide

180 degrees or π radians wide

45 degrees or π/4 radians wide

90 degrees or π/2 radians wide (correct)

The condition of perpendicularity may be represented graphically using which symbol?

∠

⊥

∥

⟂ (correct)

Perpendicular intersections can happen between which of the following?

Two lines, a line and a plane, and two planes (correct)

A line and a point

Two planes only

Two line segments only

In advanced mathematics, the word 'perpendicular' is sometimes used to describe what?

More complicated geometric orthogonality conditions Signup and view all the answers

A line is said to be perpendicular to another line if the two lines intersect at?

A right angle Signup and view all the answers

What is the slope-intercept form of the given line -4x-9y=2?

$y=-\frac{4}{9}x-\frac{2}{9}$ Signup and view all the answers

What is the equation of the line parallel to $-4x-9y=2$ passing through the point (5, -1)?

$y=-\frac{4}{9}x+\frac{11}{9}$ Signup and view all the answers

What is the slope of a line perpendicular to the given line $-4x-9y=2$?

$\frac{9}{4}$ Signup and view all the answers

If the slope of a line is $\frac{3}{5}$, what is the slope of a line parallel to it?

$\frac{3}{5}$ Signup and view all the answers

If the slope of a line is $-2$, what is the slope of a line perpendicular to it?

$\frac{1}{2}$ Signup and view all the answers

Elementary Geometry

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Questions and Answers

In elementary geometry, two geometric objects are perpendicular if their intersection forms angles that are?

The condition of perpendicularity may be represented graphically using which symbol?

Perpendicular intersections can happen between which of the following?

In advanced mathematics, the word 'perpendicular' is sometimes used to describe what?

A line is said to be perpendicular to another line if the two lines intersect at?

What is the slope-intercept form of the given line -4x-9y=2?

What is the equation of the line parallel to $-4x-9y=2$ passing through the point (5, -1)?

What is the slope of a line perpendicular to the given line $-4x-9y=2$?

If the slope of a line is $\frac{3}{5}$, what is the slope of a line parallel to it?

If the slope of a line is $-2$, what is the slope of a line perpendicular to it?

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