A sector of area  in2 is formed by a central angle of 45. What is the radius of the circle?

A. 1.81 inches
B. 1.79 inches
C. 1.80 inches
D. 1.75 inches
E. 1.82 inches


Answer: B

Mathematics

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For the pictured triangles, they are:



(a) Congruent by SSS.
(b) Congruent by SAS.
(c) Congruent by ASA.
(d) Congruent by SSA.
(e) Congruent by AAA.
(f) Not necessarily congruent.

Mathematics

Find the slope of the line.Through (6, -1) and (8, 8)

A.  
B.  
C.  
D. - 

Mathematics

Solve the problem.A cabin cruiser travels 20 miles in the same time that a power boat travels 40 miles. The cruiser travels 5 mph slower than the power boat. Find the speed of each boat.

A. Power boat: 10 mph; cabin cruiser: 5 mph B. Power boat: 20 mph; cabin cruiser: 15 mph C. Power boat: 15 mph; cabin cruiser: 10 mph D. Cannot be determined without more information

Mathematics

Divide.

A. 4.4 B. 0.44 C. 5.4 D. 44

Mathematics