trigmath
posted by LOVE .
4. A carpenter wants to be sure that the corner of a building is square and measures 6.0 ft and 8.0 ft along
the sides. How long should the diagonal be?
A. 12 ft
B. 10 ft
C. 11 ft
D. 14 ft
5. A wheel 5.00 ft in diameter rolls up a 15.0° incline. How far above the base of the incline is the top of
the wheel after the wheel has completed one revolution?
A. 4.07 ft
B. 13.1 ft
C. 8.13 ft
D. 9.07 ft
7. A surveyor must divert her path from point C by proceeding due south for 300 ft to point A. The
surveyor determines that point B, which is due east of point C, is N49°E from point A. What is the distance
from point C to point B?
A. 350 ft
B. 375 ft
C. 360 ft
D. 370 ft
8. Which of the following pairs of angles are coterminal?
A. 25° and –25°
B. 100° and 620°
C. 30° and 60°
D. 390° and 750°
9. A 6.00foot person is casting a shadow of 4.20 feet. What time of the morning is it if the sun rose at
6:15 AM and will be directly overhead at 12:15 PM?
A. 8:35 AM
B. 9:40 AM
C. 8:58 AM
D. 9:55 AM
10. Find the numerical measure of the largest angle of a triangle whose angle measures are 6x – 10°, 3x +
30°, and 2(45° – x).
A. 60°
B. 70°
C. 50°
D. 10°
11. A stairway must be built to a deck that is 20 feet above ground level. To the nearest half foot, how far
from the base of the deck, on ground level, should the beginning of the stairway be placed so that the
stairway forms a 60° angle from the ground?
A. 12 ft
B. 11 ft
C. 35 ft
D. 11.5 ft
13. If a tree casts a shadow of 12 feet at the same time that a 6foot person casts a shadow of 2½ feet,
what is the length of the tree to the nearest foot?
A. 24 ft
B. 5 ft
C. 29 ft
D. 22 ft
16. How many degrees does Earth turn during an eighthour school day? (Assume that Earth makes one
revolution every 24 hours.)
A. 120°
B. 8°
C. 3°
D. 90°
17. In a right triangle with ã the right angle, b = 86.5 and c = 125.8. What is â ?
A. 43.2°
B. 46.4°
C. 46.6°
D. 43.4°
18. Find the height of the Barrington Space Needle if the angle measured from the ground 1000 ft
(measured to the nearest foot) from the point on the ground directly below the top of the needle is 58.15°.
A. 1,610 ft
B. 621.2 ft
C. 1,895 ft
D. 527.7 ft
20. When viewing Angel Falls (the world's highest waterfall) from Observation Platform A, located on the
same level as the bottom of the waterfall, we calculate the angle of elevation to the top of the waterfall to
be 69.30°. From Observation Platform B, which is located on the same level exactly 1000 feet from the
first observation point, we calculate the angle of elevation to the top of the waterfall to be 52.90°. How
high is the waterfall?
A. 2,643 ft
B. 998.5 ft
C. 2,646 ft
D. 1,322 ft

dont homework dump

A stairway must be built to a deck that is 20 feet above ground level. To the nearest half foot, how far from the base of the deck, on ground level, should the beginning of the stairway be placed so that the stairway forms a 60° angle from the ground?

What i did to get the answer to problem 16
is to ( Multiply 8*360 = 2880/24 )which gives us 120 and that's the answer.
Respond to this Question
Similar Questions

math
The shorter diagonal of a rhombus is 10 inches long, and the angle the diagonal forms with the side measures 60º. Find the area of the rhombus. I really don't know where to start. I know that the area formula for a rhombus is A=1/2*d1*d2 … 
algebra 2
Darla is building a new desk. To make sure she had made a square corner, she measures 4ft. from the corner along one edge and 6ft. from the corner along the other edge. How long (in feet) should the diagonal be between those two points … 
algebra 2
Darla is building a new desk. To make sure she had made a square corner, she measures 10ft from the corner along one edge and 7ft from the corner along the other edge. How long should the diagonal be betwee those two points if the … 
algebra
Darla is building a new deask. to make sure she had made a square corner, she measures 4ft. from the corner along one edge and 6ft from the corner long the othe edge . how long should the diaonal be between those two points if the … 
math  trig
1.Which angle measure is consistent with all of the following criteria? 
MATH
A carpenter wants to be sure that the corner of a building is square and measures 6.0 ft and 8.0 ft along the sides. How long should the diagonal be? 
algesebra
Darla is buildig a new desk. To make sure she made a square corner, she measures 3ft. from the corner along one edge and 4ft. from the corner along the other edge. How long should the diagonal be between those two points if the corner … 
Geometry
A lined napkin,in the shape of a square,has sides 9inches long.if the napkin is folded along the diagonal,what is the length of the diagonal ? 
Math
Darla is building a desk. To make sure she had made a square corner, she measures 7ft from the corner along one edge, and 8ft from the corner of the other edge. How long should the diagonal be between those two points if the corner … 
math
A rectangular field measures 350 feet by 400 feet. If you wish to go from one corner to the opposite corner, how much shorter is the trip if you walk along the diagonal rather than the edges?