Question

Construct a right angled triangle ABC where angleACB is 90 degrees Ab is 13 cm and BC IS 5 cm

Answer 1

Answer:

△ ABC is a right-angled triangle.

By Pythagoras theorem,

AC

2

=BC

2

+AB

2

⇒13

2

=5

2

+AB

2

⇒AB

2

=−(5)

2

+13

2

⇒AB

2

=−25+169

⇒AB

2

=144

⇒AB=

144

⇒AB=12 cm.

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Answer 2

Answer:

△ ABC is a right-angled triangle.

By Pythagoras theorem,

  AC2=BC2+AB2

⇒132=52+AB2

⇒AB2=−(5)2+132

⇒AB2=−25+169

⇒AB2=144

⇒AB=144

⇒AB=12 cm

Step-by-step explanation:

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