a line segment ab 5cm take a point p not lying on the line construct a perpendicular on line ab from p
Answers
Answer:
1. Draw a line segment AB = 5 cm.
2. With any radius greater than 2.5 cm, and compass fixed at A, draw 2 arcs, one above and one below AB.
3. With the same radius, compass at B, cut the 2 arcs drawn in step 2.
4. The line joining these two arcs is the perpendicular bisector of AB.
i.e. CD is the perpendicular bisector of AB.
Answer:
steps for construction
· draw AB=5cm
· with A as centre cut an arc of 3cm on AB and mark it C
· with A as centre and radius 2.5cm, draw an arc and mark it O
· with O as centre and radius 2.5cm, draw a circle so that points A and C lie on the circle formed
· join OB
· draw perpendicular bisector of OB to obtain mid point of OB, M
· with M as the centre and radius equal to OM, draw a circle to cut the previous circle at point P and Q
· join PB and QB, PB and QB are required tangents to the given circle from exterior point B
QB=PB=3cm
The length of the tangents is 3cm
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Step-by-step explanation: