Question

if angle ABC is a right triangle such that angle C =90 angle A=45 and BC =7 units Find angle B, AB, AC​

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

In ΔABC,

BC/AC= Tan 45

Therefore, BC=AC (since Tan 45 =1)

Therefore, AC=7 Units

According to Pythagoras Theorem,

AB^2=AC^2+BC^2

AB^2= (7)^2+(7^2)

AB^2= 98

AB = 7root2 units

AC/AB= sin X

(7/7root2)=sinX

1/root2= sin 45

Therefore, Angle B = 45 degrees

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