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mr_godi [17]
2 years ago
10

Are the following triangles similar? Justify your answer.​

Mathematics
1 answer:
Readme [11.4K]2 years ago
6 0

if the triangles are indeed similar, then their corresponding sides will yield the same proportion or ratio, let's check, △MDC has 3 sides, a small one a medium and a large, same is true for △LON, so let's use hmmm say the small side of each and the medium side of each, to see if their ratio matches.  Check the picture below.

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~JZ
Hope it helps!
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Find the first term, a1, of an arithmetic sequence if a12 = 38 and a45 = 170.
snow_lady [41]
Standard formula for arithmetic sequence:
an = a0 + d(n-1)

if we use the two terms given, setting a12 as starting term and a45 as the end term an.

170 = 38 + 33d 
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132/33 = d
This is the common difference, use it to find the first term.

38 = a0 + (132/33)(12-1)
38 = a0 + (132/33)(11)
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8 0
3 years ago
Solve for x:1/20 - 1/4x<1/5-2/5x​
a_sh-v [17]

Step-by-step explanation:

1/20-1/4 ×<1/5-2/5×

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1/20+1/5 <-2/5×-1/4×

<h3>= 1/4 <-13/20×</h3>
3 0
2 years ago
Figure ABCD is a parallelogram with point C (−4, 1). Figure ABCD is rotated 90° clockwise to form figure A′B′C′D′. What coordina
Svet_ta [14]
There are certain rules to follow when rotating a point 90 deg clockwise. Since it is given that ABCD is a parallelogram and the coordinates of point C are given, we just have to follow this simple relation:

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Using the given coordinates:
R(90 deg<span>) : (-4,1) ---> (-1,-4)
</span>
Therefore, Point C' will be located at (-1,-4)
6 0
3 years ago
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