Take a line segment of length 10 cm. From , cut off of length 4.3 cm and of length 2.5 cm. Measure the length of segment .

Steps: 1. Draw a line segment PQ of length 10 cm using ruler and compass. 2. With P as centre and radius 4.3 cm, draw an arc cutting PQ at point A. So, PA = 4.3 cm. 3. With Q as centre and radius 2.5 cm, draw an arc cutting PQ at point B. So, BQ = 2.5 cm. 4. Measure the length of segment AB using a ruler. AB = PQ PA BQ = 10 cm 4.3 cm 2.5 cm = 3.2 cm. Hence, the length of line segment = 3.2 cm.

Mathematics

Take a line segment $\overline{PQ}$ of length 10 cm. From $\overline{PQ}$ , cut off $\overline{PA}$ of length 4.3 cm and $\overline{BQ}$ of length 2.5 cm. Measure the length of segment $\overline{AB}$ .

Constructions

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Answer

Steps:

Draw a line segment PQ of length 10 cm using ruler and compass.
With P as centre and radius 4.3 cm, draw an arc cutting PQ at point A. So, PA = 4.3 cm.
With Q as centre and radius 2.5 cm, draw an arc cutting PQ at point B. So, BQ = 2.5 cm.
Measure the length of segment AB using a ruler.

Take a line segment PQ. Practical Geometry (Constructions), ML Aggarwal Understanding Mathematics Solutions ICSE Class 6.

AB = PQ − PA − BQ = 10 cm − 4.3 cm − 2.5 cm = 3.2 cm.

Hence, the length of line segment $\overline{AB}$ = 3.2 cm.

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Mathematics

Take a line segment $\overline{PQ}$ of length 10 cm. From $\overline{PQ}$ , cut off $\overline{PA}$ of length 4.3 cm and $\overline{BQ}$ of length 2.5 cm. Measure the length of segment $\overline{AB}$ .

Constructions

Answer

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Mathematics

Take a line segment PQ‾\overline{PQ}PQ​ of length 10 cm. From PQ‾\overline{PQ}PQ​, cut off PA‾\overline{PA}PA of length 4.3 cm and BQ‾\overline{BQ}BQ​ of length 2.5 cm. Measure the length of segment AB‾\overline{AB}AB.

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