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Answer:
C. 3 in x 6 in
Step-by-step explanation:
Jammal cuts the block in a straight line parallel to one side... so the section revealed when he finishes his cut will be identical as the parallel side to which the cut is done.
We know the the left side of the prism on the image is 3 inches wide and 6 inches high... so that will also be the dimensions of the exposed cross section.
The answer is then 3 inches y 6 inches. The thickness of the block (5 inches) has no impact on the exposed area of the cross-section.
To convert the angle in radian measure to degree measure, multiply it by 180/π.
The given angle in radian measure is 257π/360 . Multiply it by 180/π to get the angle in degrees.
So,
The angle in degrees = 257π/360 x 180/π = 257/2 = 128.5 degrees
Answer:
7/20
Step-by-step explanation:
You have: 3/5 - 1/4
When you have different denominator:
1) Multiply in cross. The numerator of the first fraction is multiplied by the denominator of the second, and the denominator of the first by the numerator of the second. Both multiplications are subtracted.
3/5 - 1/4 = [(3*4) - (5*1 )] / ...
2) The denominators of the two fractions are multiplied.
3/5 - 1/4 = [(3*4) - (5*1 )]/(5*4
)
3) Resolve operations
= (12-5)/20
= 7/20