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Practical Geometry | Exercise 14.2

Question 4

Given AB of length 7.3 cm and CD of length 3.4 cm, construct a line segment XY such that the length of XY is equal to the difference between the lengths of AB and CD . Verify by measurement.

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  • Solution

  • Transcript

(1) Given AB = 7.3 cm and CD = 3.4 cm

(2) Adjust the compasses up to the length of CD and put the pointer of compasses at point A, draw an arc to cut AB at point P.

(3) Adjust the compasses up to the length of PB. Draw a line l and mark a point X on it.

(4) By placing the pointer of compasses at point X, draw an arc to cut the line at Y.

Now, difference between the lengths AB and CD = 7.3 – 3.4

= 3.9 cm

Using the ruler we may measure the length of XY which comes to 3.9 cm.

"hey kids welcome to lido q a video i am vinit your leader tutor glad to bring you this question on your screen given a b is equal to 7.3 centimeter and cd is of length 3.4 centimeter construct a line segment x y such that the length of x y is equal to the difference between the lengths of a b and c d verify by measurement okay so let us draw a b first so step one is draw a b is equal to 7.3 centimeter and c d is equal to 3.4 centimeter with a ruler okay so here a b is 7.8 centimeter so right and cd is 3.4 centimeter right there right so a b 7.3 centimeter and cd 3.4 centimeter step two is with cd as length on compass mark a point e on a b keeping the pointer of the compass at e so adjust the size of compass to length of cd then mark a point e here then we will have step 3 draw a line l and mark a point x on it with eb as length on compass and compass pointer at x mark a point y on line l so let us do that so this is line l and we have a point x here we are going to take the compass and length eb and curtain are x here at y so this is y and the length of y is 4.3 oh 4.3 centimeter if you still have a dog please leave a comment below do like the video and subscribe to our channel i'll see you in our next video until then bye kids keep practicing"

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Our top 5% students will be awarded a special scholarship to Lido.

subject-cta

Question 4

Given AB of length 7.3 cm and CD of length 3.4 cm, construct a line segment XY such that the length of XY is equal to the difference between the lengths of AB and CD . Verify by measurement.

  • Solution

  • Transcript

(1) Given AB = 7.3 cm and CD = 3.4 cm

(2) Adjust the compasses up to the length of CD and put the pointer of compasses at point A, draw an arc to cut AB at point P.

(3) Adjust the compasses up to the length of PB. Draw a line l and mark a point X on it.

(4) By placing the pointer of compasses at point X, draw an arc to cut the line at Y.

Now, difference between the lengths AB and CD = 7.3 – 3.4

= 3.9 cm

Using the ruler we may measure the length of XY which comes to 3.9 cm.

"hey kids welcome to lido q a video i am vinit your leader tutor glad to bring you this question on your screen given a b is equal to 7.3 centimeter and cd is of length 3.4 centimeter construct a line segment x y such that the length of x y is equal to the difference between the lengths of a b and c d verify by measurement okay so let us draw a b first so step one is draw a b is equal to 7.3 centimeter and c d is equal to 3.4 centimeter with a ruler okay so here a b is 7.8 centimeter so right and cd is 3.4 centimeter right there right so a b 7.3 centimeter and cd 3.4 centimeter step two is with cd as length on compass mark a point e on a b keeping the pointer of the compass at e so adjust the size of compass to length of cd then mark a point e here then we will have step 3 draw a line l and mark a point x on it with eb as length on compass and compass pointer at x mark a point y on line l so let us do that so this is line l and we have a point x here we are going to take the compass and length eb and curtain are x here at y so this is y and the length of y is 4.3 oh 4.3 centimeter if you still have a dog please leave a comment below do like the video and subscribe to our channel i'll see you in our next video until then bye kids keep practicing"

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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