Question

draw towo line segment AB and CD of 4.5 cm and 3.2 cm .draw line segment equal in length of their sum
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Answer 1

Answer:

Step-by-step explanation:

Using compass and ruler, we construct two segments AB and CD of lengths 4.3 cm and 3.2 cm, respectively.

Draw a line l and mark a point P on it.

Take a compass and place its metal point at A and adjust it, such that the pencil point reaches point B.

Take the compass to line l, such that its metal point is on P.

Mark a small mark at Q on the line l corresponding to the pencil point of the compass​.

Now, reset the compass, such that its metal and pencil points are on C and D, respectively.

Take the compass again to line l, such that its metal point is on Q and the pencil point makes a small mark at point R, which opposite to point P on line l.

PR is the required segment, whose length is equal to the sum of the lengths of these segments.

Answer 2

Answer: Measure 7.7 cm length on compass and line segment can be drawn.

Step-by-step explanation:

Follow the following instructions to draw the line segment equal to the sum of 4.5 cm and 3.2 cm :

• Calculate the sum of 4.5 cm and 3.2 cm = 7.7 cm
• Open the compass on scale , measuring 7.7 cm of length
• Draw a straight line of random length
• Give name to its one end as P
• Put compass tip on that point P and mark an arc on line with the help of measurement taken on compass
• Remove extra part of line (if drawn previously)
• Mark that arc point as Q
• Mark PQ line segment as) 7.7 cm (measurement on that line)

Thus, with the help of compass , line segment of required length can be drawn.

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