In Fig. 10.58, there are two concentric circles with centre O of radii 5 cm and 3 cm. from an external point P, tangents PA and PB are drawn to these circles. If AP = 12 cm, find the length of BP.
FIG20.png

Matching exercise

    
Match the items on the right to the items on the left.
STTEP 1
STEP 2
STEP 3
Q20a.png
Q20b.png
Q20c.png