Question

in a triangle abc angle A=90⁰and angle C=45⁰ , what is this triangle​

Answer 1

Answer:

Isosceles triangle (∆)

and also a,

A Right angled triangle (∆)

Step-by-step explanation:

reason:—

since, it is given that,

/_C = 45° & /_A = 90°

therefore,

/_A + /_B + /_C = 180°

----{angle sum property of triangle (∆)}

90° + /_B + 45° = 180°

/_B + 135° = 180°

/_B = 45°

since, /_B = /_C = 45°

therefore, AB = AC

----( if opposite angles of a ∆ is equal then the adjacent sides of the angles is always be equal)

since, AB = AC

therefore,

ABC is an Isosceles∆

&

&also,

since, it is given /_A = 90°

therefore,

it is also a right angled∆

hope it's helpful,,

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