AABC is right angled at A and AD is the altitude to side BC. IfAB=8cm. and
AC= 15 cm. then BC=?
a) 12 cm b) 7 cm. c) 17 cm. d) 5 cm.
Answers
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Answer:
BC×BC=(AB×AB)+(AC×AC)
BC×BC=(8×8)+(15×15)
BC×BC=64+125
BC×BC=189
BC×BC=17×17
BC=17
Step-by-step explanation:
ANSWER IS 17 cm
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