Area & Decimals
What is the formula for Area and Perimeter?
Area = L x W
Perimeter = L + W + L + W
BWA #11 – Question 3
Kristin drew a triangle with two equal side lengths and one 110° angle.
How would classify this triangle?
Isosceles and obtuse.
BWA #11 – Question 5
What are the attributes of a rhombus.
A rhombus is always a parallelogram with 4 congruent sides.
BWA #11 – Question 4
A figure with two circular bases and one curved surface is a:
Cylinder
Chapter 14 Review – Question 4
Is the figure a polygon? Explain.
No because it has a curved edge.
BWA #11 – Question 1
Antonio wants to find the area of a rectangle that measures 5 1/2 meters and 2 2/3 meters
Which equation should he use to find the area?
Multiply the two side lengths.
A= 5 1/2 x 2 2/3
Chapter 14 Review – Question 1
Fran drew a triangle with 3 different side lengths and 1 right angle.
Scalene and right.
A trapezoid is defined as only 1 pair of parallel sides.
Based on this definition, trapezoids are ______ parallelograms.
(Always, Sometimes, Never)
BWA #11 – Question 8
Maryann said she drew a square pyramid and that all the surfaces are triangles.
Is she correct?
No — the base should be a square.
Chapter 14 Review – Question 5
How many vertices does a trapezoid have?
4
BWA #11 – Question 11
Find the area of a square with side length 0.7 inches.
0.7×0.7=0.49 square inches
BWA #11 – Question 6
A right triangle is ______ an isosceles triangle.
(Always, Sometimes, Never)
A right triangle is sometimes an isosceles triangle.
BWA #11 – Question 7
The figure shown is a rhombus.
Which list contains only correct classifications of the figure?
Quadrilateral, parallelogram, rhombus
Chapter 14 Review – Question 6 (Part B)
Chuck says a cylinder belongs on a polyhedron poster.
Is he correct?
No — cylinders have curved surfaces.
Chapter 14 Review – Question 10
Tell whether the figure is a polygon, polyhedron, or neither.
10a) neither
10b) polygon
10c) polyhedron
BWA #11 – Question 12
Compare the products:
7.8 × 0.1 and 7.8 × 10.
How many times greater is one than the other?
The product of 7.8 × 10 is 100 times greater.
BWA #11 – Question 6
An equilateral triangle is ______ an obtuse triangle.
(Always, Sometimes, Never)
An equilateral triangle is never an obtuse triangle.
BWA #11 – Question 9
In the Venn diagram labeled
“Four Right Angles” and “Four Congruent Sides,”
which section should contain a square?
In the middle. Squares have 4 congruent sides, and 4 right angles.
Chapter 14 Review – Question 16
How many lateral faces does the polyhedron have?
3
Chapter 14 Review – Question 17
How many bases does this polyhedron have? What is the shape of the base?
1 square base.
BWA #11 – Question 2
Caleb’s family room measures 5 1/4 yard by 3 7/8 yard. What is the area in square yards?
20 11/32 square yards
Chapter 14 Review – Question 9
Nathan drew a scalene, obtuse triangle.
Would a triangle with two equal sides match his description?
No — that would be isosceles.
Chapter 14 Review – Question 11 (Part B)
Mario claims a rhombus is sometimes a square, but a square is always a rhombus.
Is he correct?
Yes
Chapter 14 Review – Question 14
Why are cones, cylinders, and spheres not polyhedrons?
They have curved surfaces.
Chapter 14 Review – Question 15
Complete the statement:
A ______ is always a parallelogram.
A ______ is always a rhombus
A ______ is sometimes a parallelogram
(Trapezoid is at least 1 parallel side in this question)
15b) square
15c) trapezoid