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Use a calculator to find the approximate value of each expression rounded to two decimal places. $\cos ^{-1} \frac{7}{8}$
Analytic Trigonometry
The Inverse sine, cosine, and Tangent…
Which has the larger volume, a sphere of radius 10 meters or four cubes with sides of length 10 meters?
Questions asked
Kathleen Carty
Numerade educator
Find the missing parts of the triangle. A = 45, b = 10, c = ? Answers 10 14.14 7.07 7
Use the Pythagorean Theorem to find the length of side "b" if side "a" is 23 inches long and the hypotenuse is 2.3 feet long. Answers 12.86 inches 11.37 inches 17.39 inches 15.26 inches
Solve the right triangle. A = 53.55, c = 55.9 B =___________degrees, a =_______________, b=_____________. Answers B=53.55, a=45.9, b=33.2 B=36.45, a=45.0, b=33.2 B=36.45, a=33.2, b=45.9 B=53.55, a=33.2, b=45.0
Maria Dearborn
Use the Pythagorean Theorem to find the length of side "a" if side "b" is 19 inches long and the hypotenuse is 3 2/3 feet long.
Alyssa Hull
Consider a right triangle that contains a 90 angle. If the longer leg of this triangle is 12 feet and the shorter leg is 5 feet, find the hypotenuse of this right triangle. Hypotenuse= how many feet?
In a right triangle, ABC, with right angle C, find the indicated part. Round your answer to the nearest 0.1 degree. Find A, if a=10 m and c = 12 m. Answer 56.4 Degrees, 39.8 Degrees, 38.4 Degrees, 58.4 degrees
Jerelyn Nevil
The Space Shuttle runway at Cape Canaveral, Florida is 27,372 ft. long 325 ft. wide and 22 in. deep. How many cubic yards of concrete were needed to make this runway? (1 cubic yard = 27 cubic feet). Answers 604,042.59 yd3 650,375.25 yd3 1,025,035 yd3
Lauren Shelton
A circle has a diameter of 14 inches. What is the length of an arc formed by a 101° angle? (Hint: Ratio of angle to arc length, compared to ratio of angle of complete circle to total circumference distance.) answers 12.34 in 14 in 10.3 in
What is the area of the shaded section in the following geometric shape? (Hint: Using the given measurements for the larger shape, you can determine the base and height to use for the smaller shaded shape.) \( 3 \mathrm{in}^{2} \) 2 in \( ^{2} \) 3.5 in \( ^{2} \)
Donna Densmore
How many square inches of .063” aluminum would be needed to make an 18” diameter by 26” long cylindrical oil tank? (Hint: Remember you need two end caps.) answer 2576.9 square inch 1979.16 square in 1512.18 square in