In right-angled triangle ABC; ∠B=900. Find the magnitude of angle A, if :
i) AB is 3 times of BC.
ii) BC is 3 times of AB.
Answers
Answered by
0
Step-by-step explanation:
in right angled triangle b= 900
Ab three times of bc= b=900
bc three times of ab a value 1
b value 1 timea bigger.
Answered by
1
Answer:
45⁰ is the answer.
Step-by-step explanation:
from ¡ & ¡¡ .. AB= BC
so LA= LC
so LA + LB + LC = 180⁰ ( Angle sum property of a triangle )
LA+90⁰+ LA = 180⁰
2LA + 90⁰ = 180⁰
2LA= 180⁰-90⁰
2LA= 90⁰
LA=90⁰/2
LA = 45⁰
Hopefully this will help you!! : ))
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