8.3--Solving Right Triangles
Use your calculator to find each angle measure to the
nearest degree:
1)
sin-1 (0.72)
2)
tan-1 (2.38)
3)
cos-1 (0.29)
4)
sin-1 (
7
16
)
1
8.3--Solving Right Triangles
5)
Find the unknown measures. Round lengths to the
nearest hundreth and angles to the nearest degree:
A
m
o
42
9.8
b
B =
a =
b =
C
a
B
2
8.3--Solving Right Triangles
6)
Find the unknown measures. Round lengths to the
nearest hundreth and angles to the nearest degree:
13
C
a
57o
B
c
A
m
A =
a =
c =
3
8.3--Solving Right Triangles
7)
Find the unknown measures. Round lengths to the
nearest hundreth and angles to the nearest degree:
A
b
C
m
A =
m
B =
11.3
9.2
B
b =
4
8.3--Solving Right Triangles
8)
Find the unknown measures. Round lengths to the
nearest hundreth and angles to the nearest degree:
A
5.1
c
C
5.7
m
A =
m
B =
c =
B
5
8.3--Solving Right Triangles
HOMEWORK:
pp. 537-8 / 13-15, 27-35 all
6