2D Shapes - Solving Problems

A triangle has angle measurements of 95°, 45° and 40°. What kind of triangle is it?

• Acute

• Right

• Obtuse

Is this triangle scalene?

• YES

• NO

What type of triangle is illustrated in the diagram?

• Acute

• Equilateral

• Isosceles

• Acute

Which property named below, is NOT associated with an acute triangle? 

• All equilateral triangles are acute triangles

What name best describes this polygon?

• Rhombus

• Rectangle

• Square

• Parallelogram

What name best describes this polygon?

• Trapezium

• Parallelogram

• Square

• Rectangle

Parallelograms have the following properties:

• Opposite sides are parallel

• Opposite sides are equal

• Opposite angles are equal

• All of the above

Determine the value of x : 

Calculate the angle C.

Choose the correct answer and reasons: