Question

Construct AB of length 8.1 cm from this cut off AC of length 1.7 cm measure BC​

Answer 1

Step-by-step explanation:

Step1 Draw a line l.Mark a point A on it.

Step2 Since length of AB is 7.8cm, we measure 7.8cm using ruler and compass.

Step3Now keeping compass opened the same length.We keep pointed end at point A, and draw an arc on line l.So the required line segment is  

AB =7.8cm

Step4Now, we need to cut of AC of length 4.7cm.We measure 4.7cm using ruler and compass.

Step5Now keeping compass opened the same length.We keep pointed end at point A, and draw an arc on line l.

Result:The required line segment  

AC =4.7cm

Answer 2

Answer:

Material required :

• Scale
• Pencil
• Paper
• Eraser and a sharpner ( optional)

1. Step 1 : Take a scale and Draw a line of 8.1 cm on a piece of paper and Mark it as A and B
2. Step 2 : Put your scale at point A and measure till 1.7 cm and mark a point there with the name ( C )
3. Step 3 : Now, Measure C and B
4. Step 4 : You will observe that C and B = 6.4 cm
5. To check that whether your measurements are right or wrong add the measurements of AC ( 1 .7 cm) and CB(6 .4) . If you are getting 8.1 cm, then your measurements are right

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Step-by-step explanation:

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