Measurements Of Polygons And Circles Worksheets - Lance Mangham, 6th Grade Math, Carroll Isd Page 11
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40Activity 10-7: Area of Triangles
Name:
Find the area of each triangle using the formula above. Show all steps on a separate sheet of paper .
16.9 km
1.
2.
3.
15 yd.
19 km
23.7 km.
11.2 km.
12 yd.
4.
5.
6.
5 mm
12 yd
7 cm
8 mm
20 cm
12 yd
7.
8.
9.
4.5 km
2.5 in
in
6 in
in
1.4 km
A triangular sail has a base of 5 m and a height of 10 m. If canvas costs $18 a
10.
square meter, find the cost of canvas to make the sail.
A square dinner napkin 8 in. on each side is folded along its diagonal. Find the
11.
area of the folded napkin.
A shuffleboard court as a large isosceles triangle with b = 6 ft and
12.
2
A = 27 ft
. What is the length of the shuffleboard court?
If you doubled the height of a triangle, what would happen to the area of the
13.
triangle?
If you doubled both the base and the height of a triangle, what would happen to
14.
the area?
The area of ABC
is greater than the area of DEF
. Which must be true?
∆
∆
∆
A. The height of
ABC
is greater than the height of
∆
DEF
.
15.
∆
ABC
B. The perimeter of
is greater than the perimeter of
∆
DEF
.
C. The sum of the angles of
∆
ABC
is greater then the sum of the angles of
∆
.
DEF
∆
ABC
D. Base and height: At least one of them is greater on
.
th
Created by Lance Mangham, 6
grade math, Carroll ISD
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