8. What is the correct ratio? tan Z 24 Z- 25 O a) 7/24 O b) 24/7 O c) 7/25 O d) 24/25 9. What is the correct ratio? tan A 20 12 C 16 O a) 20/12 O b) 12/20 O d) 16/12

Use theorem 5.4.3 to form a proportion in which RS is a geometric mean. Hint RVSRST Exercises 1-6

The approximate area of a triangle with sides of lengths 3 in., 5 in., and 6 in. is 7.48 in2. What is the approximate length of the radius of the inscribed circle?

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

Solve the following exercises. Compute the sides to 3 decimal places in triangles dimensioned in customary units. Compute the sides to 2 decimal places in triangles dimensioned in metric units. Determine side p.

The center of a circle of radius 2 inches is at a distance of 10 inches from the center of a circle of radius length 3 inches. 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.

Solve the following exercises. Compute the sides to 3 decimal places in triangles dimensioned in customary units. Compute the sides to 2 decimal places in triangles dimensioned in metric units. Determine side y.

Express these ratios in lowest fractional form. 10. 2 ft to8 in.

The length, L, of the point on any standard 82° included angle drill can be calculated using the formula L = 0.575 , 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

The perimeter of an isosceles triangle is 32cm. If the length of the altitude drawn to the base is 8cm, how long is each leg of the isosceles triangle?_