Question
Easy

M is a point on side AB of a triangle ABC such that AM = BM = CM. If angles A and B are respectively x and 70°, then the value of (3x +25°) is equal to :

1
70°
2
85°
3
100°
4
115°
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P2
Chapter: 2D Geometry
Topic: Triangles
Correct Answer
Option B
Explanation

To determine why Option 2 (85°) is the correct answer, let's analyze the problem step by step. ### Explanation: 1. Understanding the Problem: - We have a triangle ABC with a point M on side AB such that AM = BM = CM. - This implies that M is the circumcenter of triangle ABC, making triangle AMC and triangle BMC isosceles triangles. 2. Given Angles: - Angle A is x…Read More

Similar Questions from REET Exam - Paper 1 - Year 2018
Question 1
Easy

Source :

2D Geometry
For which of the following measurements, the construction of triangle ABC can be done ?
Chapter :
2D Geometry
Topic :
Triangles
Question 2
Easy

Source :

2D Geometry
In triangle PQR, ∠P=55° and QR=18 cm. In which of the following cases, APQR can be an obtuse scalene triangle ?
Chapter :
2D Geometry
Topic :
Triangles
Question 3
Easy

Source :

2D Geometry
D is a point on side AB of a ∆ABC such that CD is the bisector of ∠ACB. If ∠A=50° and ∠B=70°, then ∠ADC is…
Chapter :
2D Geometry
Topic :
Triangles
Question 4
Easy

Source :

2D Geometry
Area of a right triangle is 240 cm². If its one side other than the hypotenuse is 30 cm, then perimeter (in cm) of the…
Chapter :
2D Geometry
Topic :
Triangles