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4 years ago

Provide the reasons for the following proof. I think the answer is c

Mathematics

1 answer:

pav-90 [236]4 years ago

4 0

Answer:

d. HL CBCTC

Step-by-step explanation:

The hypotenuse and one leg are congruent so the reason for congruency is HL.

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The perimeter of a △ABC equals 12 in. The midpoints of the sides M, N and K are connected consecutively. Find the perimeter of △

Zarrin [17]

Answer:

Perimeter of ΔMNK is 6 in.

Step-by-step explanation:

Midpoint Theorem-

It states that the segment joining two sides of a triangle at the midpoints of those sides is parallel to the third side and is half the length of the third side.

M, N and K are the midpoints of the sides.

So,

$KN=\frac{1}{2}AB$
$NM=\frac{1}{2}CA$
$MK=\frac{1}{2}BC$

Perimeter of a ΔABC is 12 in, i.e $AB+CA+BC=12$ in

Perimeter of ΔMNK is,

$=KN+NM+MK$

$=\dfrac{1}{2}AB+\dfrac{1}{2}CA+\dfrac{1}{2}BC$

$=\dfrac{1}{2}(AB+CA+BC)$

$=\dfrac{1}{2}(12)$

$=6$ in

4 0

3 years ago

1/3 {4+18}-4 gets it right cool

Doss [256]

Answer: Your answer is 10/3

7 0

3 years ago

Samuel can read 75 words per minute . What is his speed in words per second

N76 [4]

Samuel can read 1.25 words per second.

7 0

3 years ago

Three trucks delivered potatoes to a warehouse. The first truck delivered 5 7/8 tons of potatoes, the second one 6 1/2 tons more

mina [271]

Answer:

12 5/8 tons were delivered by the third truck

Step-by-step explanation:

25 = 6 4/8 + 5 7/8 + x

25 = 12 3/8 + x

- 12 3/8

12 5/8 = x

6 0

4 years ago

Read 2 more answers

A huge Ping-Pong tournament is held in Beijing with 65,536 participants at the start of the tournament. Each round of

lisabon 2012 [21]

Answer:

After 16 rounds the champion of Ping-Pong player can be determined.

Step-by-step explanation:

This is an example of geometric progression,

First term = 65,536

$\texttt{Common ratio = }\frac{1}{2}$

Now we need to find which term is 1 in this GP.

N th term of GP is given by

$t_n=ar^{n-1}$

Substituting

$1=65536\times \left ( \frac{1}{2}\right )^{n-1}\\\\\frac{1}{65536}=\left ( \frac{1}{2}\right )^{n-1}\\\\2^{n-1}=65536\\\\2^{n-1}=2^{16}\\\\n=17$

Seventeenth term of this GP is 1.

That is after 16 rounds the champion of Ping-Pong player can be determined.

3 0

4 years ago