Sin 25°= AC/18, Cos 25°=BC/18, AC = 7.607 and BC = 16.313
Perimeter = 7.6 + 16.3 + 18 = 41.9
Tan B = 12/18,
=34
degrees
3. Given regular
decagon with center O, find the length of
to the nearest
tenth, if the perimeter of the decagon is 80.
4. If RHOM is a rhombus with a perimeter of 32,
find the length of
to the nearest tenth.
to the nearest degree.
A= 0.75, and the AB = 20, find
the length of
.
7. The angle of depression from an observation tower to a fire is 28°. If the height of the tower is 90 feet, how far is the fire from the tower?
8. Find the measure of ÐA
to the nearest degree
and the length of
to the nearest tenth.
V
d
