Math, asked by mamta542, 11 months ago

two angles of a triangle are 30 degree and 45 degree what type of a triangle it is.. second question two angles of a triangle are 50 degree and 40 degree prove that the triangle is right angled ..third question two angles of a triangle are 65 degree and 36 degree what type of a triangle is it..​

Answers

Answered by ranurohan8706
4

Answer:

Step-by-step explanation:

1.The first triangle is 90 degrees as the other two angles of triangle is 30 degree and 45 degree.

therefore,30 + 45 + required angle = 180(Angle sum property of a triangle)

So, Required angle = 180-(30+45)

=90 degree

It is a right angled triangle

2. let the other angle of the triangle be x

Therefore, 50 + 40 + x = 180

x = 180 - (50+40)

x =90 degree

Hence, proved

3. Let the other angle of the triangle be x

Therefore, 65 + 36 + x =180

x =180-(65+36)

x=79 degree

It is scalene or acute triangle

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