ABC is a right-angled triangle with BAC=90°. AF=OA=OD=OF. EOIlCA and
DO|lBC. Find x°.
Answers
Answered by
2
Answer:
X is the last letter, right before the angle symbol.
Step-by-step explanation:
There! Found x!
Answered by
0
Answer:
Step-by-step explanation:
Consider △ ABC and △ BAH
cos(∠ABC)=
BC
AB
(∵△ABC is a right angled triangle and from definition of cos)
cos(∠ABH)=
AB
BH
(∵△ABH is a right angled triangle and from definition of cos)
∠ABC=∠ABH
⇒
BC
AB
=
AB
BH
⇒BH=
BC
AB×AB
=
100
60×60
=36 cm
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