Question

pls help me with thiss
find the exact value of side b ​

Answer 1

Answer:

Given:- AB = 4 cm

angle C = 45⁰

angle B = 90⁰

angle A = 45⁰ ...( this triangle is 45⁰- 45⁰ -

90⁰ )

sin = opposite/hypotenuse

sin 45⁰ = 1 / root 2

1 / root 2 = AB / BC

1 / root 2 = 4 / BC

BC = 4 root 2

b = 4 root 2

Step-by-step explanation:

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