Question

Find the unknown angles marked in each of the following
Q.1) A=x°,
B=90°,
C=25°​

Answer 1

Answer:

A=65⁰

Step-by-step explanation:

if it is triangle then

according to property of triangle all angle =180⁰

A+B+C=180⁰

X⁰+90⁰+25⁰=180

115⁰+X=180⁰

X=180⁰-115⁰

X=65

Answer 2

65°

Step-by-step explanation:

In ∆ABC,

Angle A= x°

Angle B= 90°

Angle C= 25°

Therefore, Angle A+ Angle B+ Angle C= 180°

-[Reason: All measures of the angles of a triangle is 180°]

Therefore, x° + 90° + 25° = 180° -[Reason: Replacing the value of Angle A,B and C]

Therefore, x° + 115° = 180°

x° = 180° - 115°

x° = 65°

Therefore, Angle A= 65°