Bob had 7.34 metres of string. He wanted to share this equally between 10 of his friends to make shoelaces. How many centimetres
1 answer:
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Answer:
Since sine of all angles are always less than one, this shows there is no possible way to have an angle C. Thus it is impossible to have a triangle ABC with the given properties of side lengths b=3 inches and c= 5 inches to have angle B =45 degrees.
Step-by-step explanation:
In the attached drawing, each of the tic-marks are equal and
represent 1 inch each. The angle B has measure 45. We can
see by the arc that the line AC, which equals 3 inches, is
not long enough to reach the slanted side of the 45 angle.
Therefore triangle ABC is not possible. We can also show
by the law of sines that no triangle ABC with the given
properties in possible.
Given:
The inequality is
To find:
The mistake in the given solution and correct it.
Solution:
We have,
Isolating variable on one side, we get
On dividing both sides by -3, we get
Because if an inequality is multiplied or divided by a negative number, then the sign of inequality must be changed.
Therefore, there is a mistake in last step because the sign of inequality remains same after diving it by -3 and the correct solution is .