Acute Angled Triangle

Q. An equilateral triangle is also ____ triangle.

1. a right-angled
2. a scalene
3. an obtuse angled
4. an acute angled

Q. A triangle can have at the most acute angles.​​​​​​​

1. 1
2. 3
3. 2
4. 4

Q. Triangles can be classified on the basis of :

1. the types of angles
2. length of line segments
3. sum of all the angles
4. sum of the exterior angles

Q. Observe the given figure and identify which of the following are true about this triangle.

1. It is an obtuse angled triangle.
2. It is an isosceles triangle.
3. It is a right angled triangle.
4. It is an equilateral triangle.

Q. The angles of a triangle measure ${40}^{\circ }$, ${110}^{\circ }$ and ${30}^{\circ }$. Such a triangle is called a/an _____.

1. isosceles triangle
2. right angled triangle
3. obtuse angled triangle
4. acute angled triangle

Q.

Which of the following are the types of triangle?

1. 9

2. Isosceles triangle

3. Equilateral triangle

4. Acute angled triangle

Q. Which figure is formed by three non-collinear points?

Q. write the contrapositive of the following statement "If a triangle is equilateral , it is isosceles".

Q.

Classify the following triangles.

$∆GHI$ with $m\angle G=20°,m\angle H=70°,andm\angle I=90°$.