Question
A gauge is used to check the diameter of a crankshaft journal. It is constructed to make measurements on the basis of a right triangle with a 60.0° angle (see figure in the link below). Distance AB in the illustration is 10.6 cm. Find radius BC of the journal.
www.webassign.net/ewenmath10/13-5-013-alt.gif
www.webassign.net/ewenmath10/13-5-013-alt.gif
Answers
Reiny
so angle A = 30
sin30 = BC/AB
BC = ABsin30 = 10.6(1/2) = ...
sin30 = BC/AB
BC = ABsin30 = 10.6(1/2) = ...
anonymous
10.6(1/2) = 5.3
anonymous
I got 5.3 wrong
anonymous
SOMEONE HELP ME!
Reiny
According to the diagram you supplied and the given data,
the answer of 5.3 cm is correct.
the answer of 5.3 cm is correct.