Jean did 17 sit ups on monday, 19 sit ups on tuesday, and 22 sit ups on wednesday. if she continued at this rate, how many sit ups would she do on sunday?

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

c. side angle side. u shares the same sides