Two or more angles whose sum is 180° are called supplementary angles. The measure of the ∠y is 120°.
<h3>What are supplementary angles?</h3>
Two or more angles whose sum is 180° are called supplementary angles. If a straight line is intersected by a line, then there are two angles form on each of the sides of the considered straight line. Those two-two angles are two pairs of supplementary angles. That means, that if supplementary angles are aligned adjacent to each other, their exterior sides will make a straight line.
Given the puck strikes the wall at an angle of 30°, it goes away at the same angle of 30°. Therefore, the measure of angle y can be found using the sum of the angle as a supplementary angle. Thus, we can write,
30° + ∠y + 30° = 180°
60° + ∠y = 180°
∠y = 180° - 60° = 120°
Hence, the measure of the ∠y is 120°.
Learn more about Supplementary Angles:
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We are given that the dimensions are 4 in x 9 in. To get
the smallest possible square, first let us find for the LCM of 4 and 9.
4 = 0, 4, 8, 12, 16, 20, 24, 28, 32, 36
9 = 0, 9, 18, 27, 36
We can actually see that 36 is the least common multiple.
Therefore the smallest possible square has a dimension of:
<span>36 inches by 36 inches</span>
3pi+8(t-pi)-4t
=3pi+8t-8pi-4t
=-5pi+4t
Answer:
Cm
Step-by-step explanation:
The areas are in sq. cm
