Maths genie parallel and perpendicular lines

We can see that the shape has moved and all points have moved by the same amount. This transformation is called a translation.

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Maths genie parallel and perpendicular lines

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To find out how much the shape has moved we need to pick a point on shape A and find the same point on shape B.

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Here we will learn about parallel and perpendicular lines including how to show when two lines are parallel or perpendicular, how to calculate the gradient of parallel and perpendicular lines and use this knowledge to calculate the gradient of tangents to circles. Parallel lines are straight lines with a constant distance between them. Perpendicular lines intersect one another at a 90 degree angle a right angle. A table has 4 legs. Each leg is parallel to the other legs, but perpendicular to the table top that they are attached to:. Straight line graphs can be parallel, perpendicular or have 1 point of intersection. It is not possible for 1 straight line to intersect another line at two coordinates or be parallel and perpendicular at the same time.

Maths genie parallel and perpendicular lines

If you're seeing this message, it means we're having trouble loading external resources on our website. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Search for courses, skills, and videos. Angles between intersecting lines. About About this video Transcript. Parallel lines are lines that never intersect, and they form the same angle when they cross another line. Perpendicular lines intersect at a degree angle, forming a square corner.

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Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. To enlarge a shape we need to know the scale factor and the centre of enlargement. Triangle A has base of 3 units and triangle B has a base of 6 units Triangle A has a height of 2 units and triangle B has a height of 4 units The scale factor is 2. Spot the Mistake. The centre of enlargement is the starting point, the point from which the enlarged. Close Privacy Overview This website uses cookies to improve your experience while you navigate through the website. Tarsia Jigsaw. What do teachers say about Go Teach Maths? A reflection is a mirror image of a shape. To get there we go along 3 and down 3 from the centre of enlargement. Any change in the size of the shape is called an enlargement. If we take the bottom right corner of A we have to see how far we have to move the to get to the bottom right corner of B.

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The points on B are twice as far as their corresponding points on A from 2,2. The scale factor tells us how many times bigger or smaller the shape is. When a shape is reflected it is flipped over the mirror line. We can see that all of the lines meet at 2,2. Go Teach Maths uses cookies. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Reset your password Please enter the registered email address for your individual or school subscription. A movement to the right is positive and a movement to the left is negative. What do teachers say about Go Teach Maths? We multiply by 3 for the enlarged shape. We also use third-party cookies that help us analyze and understand how you use this website. To enlarge a shape we need to know the scale factor and the centre of enlargement. This category only includes cookies that ensures basic functionalities and security features of the website.