Scene of deadly German train attack

What is a defining feature of an isosceles triangle?

• All sides are equal

• Two sides are equal

• No sides are equal

• All angles are equal

Which of the following is true about the angles in an isosceles triangle?

• All angles are equal

• Two angles are equal

• No angles are equal

• All angles are different

In an isosceles triangle, if one angle is 40 degrees, what are the possible measures of the other two angles?

• 50 and 90 degrees

• 70 and 70 degrees

• 40 and 100 degrees

• 60 and 80 degrees

Which of the following is an example of an isosceles triangle in real life?

• A square

• A right-angled triangle

• A triangle with two equal sides

• A scalene triangle

How can isosceles triangles be used in architectural design?

• To ensure equal distribution of weight

• To create asymmetrical structures

• To make irregular shapes

• To design circular windows