Planimetrics + triangle - practice problems - page 3 of 88
Number of problems found: 1752
- A right
A right triangle has side lengths a=3, b=5, and c=4, as shown below. Use these lengths to find tan x, sin x, and cos x. - Let z 2
Let z = 2 - sqrt(3i). Find z6 and express your answer in rectangular form. if z = 2 - 2sqrt(3 i) then r = |z| = sqrt(2 ^ 2 + (- 2sqrt(3)) ^ 2) = sqrt(16) = 4 and theta = tan -2√3/2=-π/3 - Rhombus 36
Rhombus ABCD with side 8 cm long has diagonal BD 11.3 cm long. Find angle DAB. - A triangle 7
A triangle lot has the dimensions a=15m, b=10m, and c=20m. What is the measure of the angle between the sides of b and c?
- One side 4
One side of a regular octagon is 12 inches. Find the apothem and its area. - X-triangle
Find the length of the x segment in the given triangle drawings. - The apothem
The apothem of a regular hexagon is 5√3 inches. Find one of its sides and area. - Conjugate coordinates
If the rectangular conjugate of the polar vector 12 angle 35 degrees is equal to x+yi, find the sum of x and y. - A boy 5
A boy starts at A and walks 3km east to B. He then walks 4km north to C. Find the bearing of C from A.
- Using 4
Using the law of cosines, find the measurement of leg b if the givens are B=20°, a=10, and c=15. - Trigonometric fx
When an acute angle φ is in the standard position, its terminal side passes through point P (1,3). Find trigonometric functions of angle θ : sin φ, cos φ, tan φ, cotan φ. - Laws
From which law directly follows the validity of Pythagoras' theorem in the right triangle? ... - Diagonal
Can it be a diagonal diamond twice longer than its side? - Diagonal
Can a rhombus have the same length, diagonal, and side?
- ABS CN
Calculate the absolute value of the complex number -15-29i. - Rectangular trapezoid
How many inner right angles have a rectangular trapezoid? - A triangle 3
A triangle has a base of 5 5/6 feet and a height of 7 2/5 feet. Find the area of the triangle as a mixed number. - Area of a triangle
Find the area of a triangle with a base of 7 mm and a height of 10 mm. - Calculate 6757
How can we calculate the perimeter of a triangle, square, and rectangle?
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