angle ABC is a right angled triangle with angle C =90 degree .find BC if
a) AB =17cm, AC =15 cm
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Answered by
5
Answer:
by pythagoras theorem
ac^2 =ab^2+bc^2
bc=8 cm
Answered by
7
Answer:
We know,
Hyp²=s²+s²
AB²=AC²+BC²
17²=15²+BC²
289=225+BC²
289-225=BC²
√64=BC
BC=8cm
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