Additional Problems
Problems 1-3 refer to the figure below:
1. If
α = 60°, c = 7 and b = 10, find the area of triangle ACD.
2. If a = 2.5, d = 1.5 and h = 2, find the area of triangle DCB.
3. If h = 14.68, c = 16, and d = 10, find the area of triangle ACB.
4. Find the area of a triangle with vertices at (
-
1, 5), (1,
-
1) and (4, 2).
5. Suppose you are told that a triangle with two sides of length 12 and
15 has an area equal to 200 and you are asked to find the measure
of the angle between the two given sides. What would you find?
Why did you find it?
46 Area of a Triangle/TRIGONOMETRY USING THE SHARP EL-9600
)
(
A
D
C
a
b
c
d
h
α
β
υ
θ
B
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