Geometry 10.1 Chain Reaction
Areas of triangles and quadrilaterals
Name ______________________
Per _____ Date ______________
Order: ___,___,___,___,___,___,___,___,___,___,___,___,___,___,___,___,___,___
20
84
A
B
240
C
Find the area:
Find the area:
30
210
576
D
E
F
Find the area:
Find the area:
Find the area: (Hint: to find the
base, use the Pythagorean thm)
Find the area:
Find the area:
120
48
660
G
H
I
Find the area:
Find the area:
91
J
Find the area (hint: use your
30,60,90 triangle rule)
9
M
Find the height of the triangle if
Area  45 ft2
30 3
P
Find the area (hint: use your
30,60,90 triangle rule)
15
50 3
L
K
If Area = 250 in2, find the height.
Find the base of the parallelogram
in which Area  15 in2
3
90 3
O
N
Find the area (hint: use your
30,60,90 triangle rule)
Find the height of the trapezoid if
the Area = 280 cm2
10
60 3
Q
Find d2 of the rhombus in which
Area  72 yd2
R
Find the area (hint: use your
30,60,90 triangle rule)
Use trigonometry to find the height of the triangle, then calculate the area of the triangle:
19.)
20.)