Solve by substitution 8x+y=-16 -3x+ y= -5
1 answer:
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Answer:
<em>The correct option is: C. </em>
Step-by-step explanation:
The two angles of the triangle are given as 60° and 60°
As the sum of all three angle in any triangle is always 180°, so the measure of the third angle will be: 180°-(60°+60°) = 180° - 120° = 60°
Now each angle of the triangle is 60°, it means the triangle is equilateral.
The base of the triangle is given as 12. So, the length of each side will be 12.
That means, the value of
Now in the left right triangle.....
So, the value of