Bisectors and - Study guides, Class notes & Summaries

CH 5 GEOM REVIEW PRACTICE TEST. bisector - CORRECT ANSWER divides a line segment into two smaller, congruent segments perpendicular - CORRECT ANSWER two lines that intersect to form right angles equidistant - CORRECT ANSWER same distance circumcenter - CORRECT ANSWER the point of concurrency of the perpendicular bisectors of a triangle; the center of the circumscribed circle of the triangle circumscribed circle - CORRECT ANSWER the circle that contains all three vertices of a tr...

WGU C972 College Geometry 100% Correct Area of a Circle A=πr² Arc Length Formula L = 2πr (m⁰/360⁰) Circumference of a circle 2πr or πd Area of a sector Area of a Sector = (central angle/360) x πr² Midpoint formula (x₁+x₂)/2, (y₁+y₂)/2 Distance Formula d = √[( x₂ - x₁)² + (y₂ - y₁)²] slope-intercept form y=mx+b point-slope form y - y1 = m(x - x1) intercept form x/a + y/b = 1 general form Ax + By + C = 0 definition of a tetrahedron closed solid structure fo...

Pearson Geometry Exam Chapter 5 With Complete Solutions Newest 2024 Converse of the Angle Bisector Theorem - If a point in the interior of an angle is equidistant from the sides of an angle, then the point is an angle bisector. Concurrent - When three or more lines intersect at one point Point of Concurrency - the point at which three or more lines intersect Concurrency of Perpendicular Bisectors Theorem - The perpendicular bisectors of the sides of a triangle are concurrent at a poin...

How do defined terms and undefined terms relate to each other? correct answers Undefined terms will be used as a foundational element in defining other "defined" terms. The undefined terms include point, line, and plane. The defined terms discussed so far include angle, circle, perpendicular line, parallel line, and line segment. What is the difference between a postulate and a theorem? correct answers A postulate is considered a known fact. Undefined terms, defined terms, and postulates wi...

Gradient y2-y1/x2-x1 Length of a line sqrt((x2-x1)^2+(y2-y1)^2) Midpoint (x1+x2/2, y1+y2/2) How do you know if two lines are perpendicular? When you multiply the gradients together they should equal -1. The general rule is perpendicular = -1/m. Or you could use Pythagoras to show there is a right angle How do you know if two lines are parallel? The gradients should be the same What should you always remember when finding the square roots? The answer could...

GED Math Exam 93 Questions with Verified Answers Sum - CORRECT ANSWER the answer to an addition problem The difference - CORRECT ANSWER the answer to a subtraction problem Product - CORRECT ANSWER the answer to a multiplication problem Quotient - CORRECT ANSWER the answer to a division problem Divisor - CORRECT ANSWER the number you divide by Remainder - CORRECT ANSWER the number that remains after subtraction Words used in addtion word problems - CORRECT ANSWER sum, total, ...

Pure Maths A Level Questions and Answers 100% Pass Gradient y2-y1/x2-x1 Length of a line sqrt((x2-x1)^2+(y2-y1)^2) Midpoint (x1+x2/2, y1+y2/2) How do you know if two lines are perpendicular? When you multiply the gradients together they should equal -1. The general rule is perpendicular = -1/m. Or you could use Pythagoras to show there is a right angle How do you know if two lines are parallel? The gradients should be the same What should you always remember when finding the square roots? T...

Midpoint ([x₁+x₂]÷2 , [y₁+y₂]÷2) Perpendicular bisector The line that passes through the midpoint of another line at 90° Finding perpendicular bisectors 1. Find the midpoint of AB 2. Find the gradient of AB 3. Find the negative reciprocal of that 4. Sub the midpoint and the new gradient into y-y₁=m(x-x₁) Equation of a circle (x-a)²+(y-b)²=r² Finding the centre of a circle 1. Find the equation of the circle 2. Collect the x and y terms next ...

Edexcel AS Pure Maths, AS-Level Pure Maths, pure maths As level QUESTIONS WITH CORRECT ANSWERS Quadratic Formula - ANSWER Domain - ANSWER The set of possible inputs for a function. Range - ANSWER The set of possible outputs of a function. Discriminant - ANSWER b² - 4ac > 0 then two distinct real roots. b² - 4ac = 0 then one repeated real root. b² - 4ac < 0 then a quadratic function has no real roots. Types of Lines for Regions - ANSW...

1. Gradient y2-y1/x2-x1 2. Length of a line sqrt((x2-x1)^2+(y2-y1)^2) 3. Midpoint (x1+x2/2, y1+y2/2) 4. How do you know if two lines are perpendic- ular? When you multiply the gra- dients together they should equal -1. The general rule is perpendicular = -1/m. Or you could use Pythagoras to show there is a right angle 5. How do you know if two lines are parallel? The gradients should be the same 6. What should you always remember when finding the square roots? The answer cou...