Chp. 14

A/an __________ is a solid with two parallel circular bases that are identical and whose edges are connected by a curved surface.

• cone

• cylinder

• acute triangle

• apex

The face of a solid that is used to name the solid is called the __________.

Which triangle has all three sides of different lengths?

• Right triangle

• Scalene triangle

• Isosceles triangle

• Equilateral triangle

What type of quadrilaterals has all the sides of equal length?

• Squares

• Trapezoids

• Rectangles

• Parallelograms

Which statement is true?

• All squares are rhombuses, but all rhombuses are not squares.

• All trapezoids are parallelogram, but all parallelograms are not trapezoids.

• All parallelograms are rectangles, but all rectangles are not parallelograms.

• All right-angle triangles are obtuse-angle triangles, but all obtuse-angle triangles are not right-angle triangles.

Which statement is true?

• All equilateral triangles are obtuse angle triangles.

• All right-angle triangles are obtuse angle triangles.

• In a rhombus, all sides are equal, and all angles are 90 degrees each.

• In a rectangle, the opposite sides are equal in length, and all angles are 90 degrees each.

Which statement is always correct?

• All trapezoids are parallelograms.

• All parallelograms are rectangles.

• All right-angle triangles are acute angle triangles.

• All equilateral triangles are acute angle triangles.

A quadrilateral has all its angles as right angles. Select two quadrilaterals which necessarily have this attribute.

• Parallelogram

• Rectangle

• Rhombus

• Square

• Trapezoid

Select all the triangle categories to which triangle ABC belongs.

• Acute triangle

• Equilateral triangle

• Isosceles triangle

• Right triangle

• Scalene triangle

Look at the right triangular prism. Which statement is true?

• It has an apex directly above the center of its base.

• The base and top surfaces are not the same shape and size.

• It has 6 straight edges and 3 curved edges.

• It has 5 faces which include 2 triangles and 3 rectangles.