The area of a triangle ABC is calculated using the formulaS-bc sin Aand it is knowm that b. cand A are measured correctly to within 4%. If the angle A is measured as 45°, find the maximum percentage error in the calculated value of S.The maximum percentage error on calculated Sis(Round to ane decimal place as needed.)

The area of a triangle ABC is S=12bc sin A Each values b,c,A measured with in the % error as 4%.…

Answered: The area of a triangle ABC is…

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter69: Simple Practical Machine Applications

Section: Chapter Questions

Problem 33A: The length L of the point drill with included angle A can be calculated using the formula L=kwhere ...

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From the veranda of a beachfront hotel, Manny is searching the seascape through his binoculars. A ship suddenly appears on the horizon. If Manny is 80ft above the earth, how far is the ship out at sea? HINT: See Exercise 27 and note that 1mi=5280ft. An airplane reaches an altitude of 3mi above the earth. Assuming a clear day and that a passenger has binoculars, how far can the passengers see? HINT: The radius of the earth is approximately 4000 mi.
For Exercises 23 through 34, round the answers to 1 decimal place. 24. All dimensions in Figure 39-14 are in millimeters. a. Find the length of this arc (I). I=R180 b. Find the area of this sector (A). A=12RI
The length, L, of the point on any standard 118° included angle drill, as shown in Figure 12-5, can be calculated using the formula L=0.3 O where represents the diameter of the drill. Determine the lengths of the following drill points with the given diameters. Round to 3 decimal places for inches and 1 decimal place for millimeters. a. 12 b. 14 c. 38 d. 10 mm e. 25 mm f. 45 mm
For Exercises 23 through 34, round the answers to 1 decimal place. 26. All dimensions in Figure 39-16 are in millimeters. a. Find the radius of this circle. r=c2+4h28h b. Find the length of the arc (I). I=0.0175r
The length L of the point drill with included angle A can be calculated using the formula L=kwhere is the diameter of the drill and k=12tan(90A2).Determine k for each of the following angles. Round your answer to three decimal places.
For Exercises 23 through 34, round the answers to 1 decimal place. 29. All dimensions are in millimeters. Find the shaded area of Figure 39-19. Area = dt+2a(s+n)
When radii OA and OB are placed so that they coincide, a 240 sector of a circle is sealed to form a right circular cone. If the length of the radius of the circle is 6.4 cm, what is the lateral area of the cone that is formed? Use a calculator and round the answer to the nearest tenth of a square inch.
For Exercises 23 through 34, round the answers to 1 decimal place. 27. All dimensions are in inches. Find the shaded area of Figure 39-17. Area=(H+h)b+ch+aH2

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