construct a right angled triangle ABC in which angle A=90degrees,B=30degrees and lineBC=8.5cm
Answers
Answered by
1
Answer: Correct option is
A
12
△ 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.
Step-by-step explanation:
Answered by
0
Answer:
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Step-by-step explanation:
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