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alina1380 [7]
2 years ago
12

Please help me with this

Mathematics
1 answer:
Roman55 [17]2 years ago
5 0

Answer:

Option 1: triangle HFG is congruent to triangle KIJ

Step-by-step explanation:

F and I are same as they are on 90 degrees.

In figure 1, from I to K is the height of the triangle.

In figure 2, from F to H is the height of the triangle.

Therefore, IK is congruent to FH

In figure 1, I to J is the base of the triangle from 90 degrees.

In figure 2, F to G is the base of the triangle from 90 degrees.

Therefore, IJ is congruent to FG

Therefore, triangle HFG is congruent to triangle KIJ.

The first option is correct.

!!

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Answer:

If there is 1 at the top, then you have 1, then 2, then 3, etc.

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You can use the formula:

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-->

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or you can figure it out (basically derive the above formula):

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How many pairs do you have?  Well, it's just the number of numbers: 1-18 = 18 numbers (divide by 2) = 9 pairs)

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Hope this helps!

Step-by-step explanation:

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