Transcript Glencoe Geometry - Burlington County Institute of Technology

Over Lesson 11–1
Find the perimeter of the figure. Round
to the nearest tenth if necessary.
A. 48 cm
B. 56 cm
C. 101.1 cm
D. 110 cm
Over Lesson 11–1
Find the perimeter of the figure. Round
to the nearest tenth if necessary.
A. 37.9 ft
B. 40 ft
C. 43.9 ft
D. 45 ft
Over Lesson 11–1
Find the area of the figure. Round
to the nearest tenth if necessary.
A. 58 in2
B. 83 in2
C. 171.5 in2
D. 180 in2
Over Lesson 11–1
Find the area of the figure. Round
to the nearest tenth if necessary.
A. 9.0 m2
B. 62 m2
C. 5 m2
D. 3.4 m2
Over Lesson 11–1
Find the height and base of
the parallelogram if the area is
168 square units.
A. 11 units; 13 units
B. 12 units; 14 units
C. 13 units; 15 units
D. 14 units; 16 units
Over Lesson 11–1
The area of an obtuse triangle is 52.92 square
centimeters. The base of the triangle is 12.6
centimeters. What is the height of the triangle?
A. 2.1 centimeters
B. 4.2 centimeters
C. 8.4 centimeters
D. 16.8 centimeters
Content Standards
G.MG.3 Apply geometric methods to solve
problems (e.g., designing an object or
structure to satisfy physical constraints or
minimize cost; working with typographic grid
systems based on ratios).
Mathematical Practices
1 Make sense of problems and persevere in
solving them.
7 Look for and make use of structure.
You found areas of triangles and
parallelograms.
• Find areas of trapezoids.
• Find areas of rhombi and kites.
• height of a trapezoid:
the perpendicular distance between its
bases
Formula:
Area of a Trapezoid
Formula:
Area of a Rhombus or Kite
Area of a Trapezoid
SHAVING Find the area of steel used to make the
side of the razor blade shown below.
Area of a Trapezoid
Find the area of the pool outlined below.
Area of a Trapezoid
OPEN ENDED Miguel designed a deck shaped like
the trapezoid shown below. Find the area of the
deck.
Area of a Rhombus and a Kite
A. Find the area of the kite.
Area of a Rhombus and a Kite
B. Find the area of the rhombus.
Use Area to Find Missing Measures
ALGEBRA One diagonal of a rhombus is half as
long as the other diagonal. If the area of the
rhombus is 64 square inches, what are the lengths
of the diagonals?
Use Area to Find Missing Measures
Trapezoid QRST has an area of 210 square yards.
Find the height of QRST.