Answer:
1.33
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
im not 100% sure but i beleive its C
Answer:
4 people will be expected to win the prize
Step-by-step explanation:
Out of 15 people, 5 won a prize
5/15 = simplify into 1/3
1/3 = x/12 Cross multiply
3x = 12 Divide 3 on both sides
x = 4
<h3><u>
<em>Hope this helps!!!</em></u></h3><h3><u>
<em>:)</em></u></h3>
<span>Let the height of tree be denoted as AB and the shadow cast by the tree be BE. ABE is the triangle formed the tree, rays and the ground. Let the height of the person be CD and the length of his shadow be DE. CDE is the triangle formed by the person, rays and the ground.
We have two triangles. Both the person and the tree stand vertically over the horizontal ground, therefore they make 90 degrees with the ground. The angle formed at the ground is the same for the both the triangles. Therefore, by AA similarity the two triangles are similar.
We know that if two triangles are similar, then their sides are proportional.
Therefore,
AB/CD =BE/DE
AB/6 = 143/11
AB= (143/11) *6
AB = 78 ft.</span>
Your classmate's error about AB and DC being complimentary and parallel is that they misapplied the alternate angle property.
<h3>Why are AB and DC not parallel?</h3><h3 />
There isn't enough evidence presented in the diagram to say that AB and DC are parallel.
The evidence required would be proof that angle AWZ is equal to angle WZY.
Instead, all we have is that angle AWZ and angle XYC are equal which does not tell us what we need to know about AB and DC being parallel.
Find out more on properties of parallel lines at brainly.com/question/24607467
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