Quarter 3

What figure has the least number of sides?

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Which figure has 4 sides and 4 angles?

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How are triangles classified?

• According to line segments

• According to sides and angles

What kind of angle is formed by the corner of a cabinet?

• right angle

• obtuse angle

A closed plane figure with four sides and four angles.

• Obtuse

• Quadrilateral

How are triangles and quadrilaterals related?

• They have two pairs of parallel sides

• A triangle is one-half of a quadrilateral

Which three shapes from this group are quadrilaterals?

• SQUARE, RECTANGLE, RHOMBUS

• RHOMBUS, CIRCLE, RECTANGLE

What kind of triangle do you have if the degree measures of the angles are 40, 40 and 100?

• ACUTE

• OBTUSE

The chalkboard has four right angles, and it's opposite sides are equal. What kind of quadrilateral is it?

• RECTANGLE

• TRAPEZOID

What kind of triangle is it with the following angles: 60, 60 and 60?

• ISOSCELES TRIANGLE

• ACUTE TRIANGLE