For Exercises 23 through 34, round the answers to 1 decimal place.
25. All dimensions in Figure 39-15 are in inches.Refer to the triangle shown.
a. Find S when
b. Find the area (A) when
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Mathematics For Machine Technology
- 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+aH2arrow_forwardFor Exercises 23 through 34, round the answers to 1 decimal place. 31. All dimensions are in inches. Find the shaded area of Figure 39-21. Area =(R2r2)2arrow_forwardFor Exercises 23 through 34, round the answers to 1 decimal place. 30. All dimensions are in inches. Find the shaded area of Figure 39-20. Area =(abcd)arrow_forward
- 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=0.0175rarrow_forwardFor 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=12RIarrow_forwardFor Exercises 23 through 34, round the answers to 1 decimal place. 23. All dimensions in Figure 39-13 are in inches. a. Find the area (A) of this square. A=12d2 b. Find the side (S) of this square. S=0.7071d sarrow_forward
- 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 mmarrow_forwardFor Exercises 23 through 34, round the answers to 1 decimal place. 28. All dimensions in Figure 39-18 are in inches. Find the length of belt on the pulleys. Length of belt = 2C=11D+11d7+(Dd)4Carrow_forwardFrom 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.arrow_forward
- The center of a circle of radius 2 in. is at a distance of 10 in. from the center of a circle of radius length 3 in. To the nearest tenth of an inch, what is the approximate length of a common internal tangent? Use the hint provided in Exercise 38. HINT: use similar triangles to find OD and DP. Then apply the Pythagorean Theorem twice.arrow_forwardIn Exercises 41 and 42, round to two decimal places. A goat is tethered to a barn by a 12-ft chain. If the chain is connected to the barn at a point 6 ft from one end of the barn, what is the area of the pasture that the goat is able to graze?arrow_forwardRefer to the shaft shown in Figure 6-4. Determine the missing dimensions in the table using the dimensions given. All dimensions are in inches.arrow_forward
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