WebJun 7, 2024 · Mixed forests play a key role in the environmental restoration of desert ecosystems and in order to address the improvement of soil properties by different mixed vegetation types. We selected four typical mixed vegetation types (including: Populus alba var. pyramidalis × Caragana korshinskii, P. pyramidalis × Hedysarum mongdicum, P. … WebThe square base will be adjacent to one leg of the triangle. The other leg of the triangle will measure 2 feet and the hypotenuse will be 5 feet. (a) Use the Pythagorean Theorem to find the length of a side of the square base. Round your answer to the nearest tenth of a foot. (b) Find the exact area of the face of the square base.
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WebSo, it depend on what you look for, in order apply the properly formula. One example is: sin of 1 angle (in the right triangle) = opposite over hypotenuse. So, if you know sin of that angle, … WebFree math problem solver answers your trigonometry homework questions with step-by-step explanations.
WebJun 2, 2015 · So AC to be a perpendicular bisector of BD it must not only cut it at 90° (which it does) but also cut it into two equal parts. Now, in order AC to cut BD into two equal parts right triangle ABD must be isosceles, which, as it turns out after some math, it is not. Complete solution: WebD, E and F are respectively the mid-points of sides AB, BC and CA of ΔABC. Find the ratio of the area of ΔDEF and ΔABC. Q. D, E, and F are the mid-points of the sides BC, CA and AB, …
WebIf the average service time is 1 minute and the arrival rate is 7 customers every five minutes, using the Queuing.xlsx calculator tool, find, when two service windows are open, a. the probability both windows are idle. b. the average number of customers waiting in line. c. the average time a customer is in line. d. the average time a customer ... Websin (A) < a/c, there are two possible triangles. solve for the 2 possible values of the 3rd side b = c*cos (A) ± √ [ a 2 - c 2 sin 2 (A) ] [1] for each set of solutions, use The Law of Cosines to solve for each of the other two angles. present 2 full solutions. Example: sin (A) = a/c, there is one possible triangle.
WebApr 14, 2024 · AC will be calculated by using pythagorean theorem AC ^2 = BC^2 - AB^2 AC^2 = 127.19 AC = 11.3 cm To calculate DF, we will use similarity method AC/BC = DF/EF 11.3/12 = DF/6 DF = 5.6 cm We will use the same similarity method to calculate DE AC/AB = DF/DE 11.3/4.1 = 5.6/DE DE = 2.0 cm m∠B = 90 - 20 = 70 Therefore m∠B = 70°
WebNov 16, 2014 · The triangle is completely determined by its side lengths A B ¯, A C ¯, B C ¯, which you say are all known (the knowledge of h and A B C being isosceles is unnecessary). Let D be the point where the altitude touches segment BC. Then A D A B = cos θ, or θ = Angle BAD = arccos ( A D A B). The same logic apples to angle CAD= arccos ( A D A C). imdb classic moviesWebIn right triangle ABC shown below, AB = 18.3 and BC = 11.2. What is the measure of ZA, to the nearest tenth of a degree? с 11.2 (1) 31.5 (2) 37.3 (3) 52.3 (4) 58.5 AT B 18.3 . This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. imdb clickbaitWeb2 6 If B is between A and C, find the value of x and the measure of BC. 20. AB = 3, BC = 4x + 1, AC = 8 21. AB = x + 2, BC = 2x – 6, AC = 20 22. AB = 24, BC = 3x, AC = 7x – 4 23. AB = 3, BC = 2x + 5, AC = 11x + 2 24. Find the perimeter of the triangle with vertices X(2, -1), Y(5, 3), and Z(-3, 11). Round your result to the nearest hundredth ... imdb clint blackWebFind, to the nearest degree, the measure of the angle that the wire makes with the ground. 6 In right triangle ABC, AB =20, AC =12, BC =16, and m∠C =90. Find, to the nearest degree, the measure of ∠A. 7 A trapezoid is shown below. Calculate the measure of angle x, to the nearest tenth of a degree. list of looter shootersimdb cleavon littleWebFind A to the nearest 0.1° if a = 13.5 cm and b = 16.1 cm. 40.0 part of the right triangle 42.2 right triangle 49 DEGREES 23.47 right triangle 78 DEGREES 25.25 Find the indicated part … imdb clockstoppersWebSep 22, 2024 · This is the angle outside the triangle because the direction B C → is pointing relative to A B →, and so, we should find the supplementary angle that is: β = 180 ∘ − 126.5 ∘ = 53.5 ∘ Let γ be the angle between A C → and B C →. Since the sum of the angles of a triangle is 180 ∘, so: α + β + γ = 180 ∘ 97.67 ∘ + 53.5 ∘ + γ = 180 ∘ 151.17 ∘ + γ = 180 ∘ imdb clint beaver