The angle of a tapered groove is checked using a 20mm diameter roller as shown in the above figure. If the roller lies 2.12mm below the top of the groove, determine the value of angle θ.

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,

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.

step-by-step explanation:

gym b charges $1.05 less per hour than gym a.

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