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Nat2105 [25]
3 years ago
14

Look at the drawing of a triangle within a rectangle triangle in the rectangle have the same base and height is the area of a tr

iangle is 44 units what is the total area of section 1 and two?
Mathematics
1 answer:
N76 [4]3 years ago
7 0

Answer:

the answer is 88

Step-by-step explanation:

i think I hope this helps

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There is a triangle with a perimeter of 63 cm, one side of which is 21 cm. Also, one of the medians is perpendicular to one of t
NemiM [27]

Answer:

21cm; 28cm; 14cm

Step-by-step explanation:

There is no info in the problem/s  text which one of the triangle's  side is 21 cm. That is why we have to try all possible variants.

Let the triangle is ABC . Let the AK is the angle A bisector and BM is median.

Let O is AK and BM cross point.

Have a look to triangle ABM.  AO is the bisector and AOB=AOM=90 degrees (means that AO is as bisector as altitude)

=> triangle ABM is isosceles => AB=AM  (1)

1. Let AC=21   So AM=21/2=10.5 cm

So AB=10.5 cm as well.  So BC= P-AB-AC=63-21-10.5=31.5 cm

Such triangle doesn' t exist ( is impossible), because the triangle's inequality doesn't fulfill.  AB+AC>BC ( We have 21+10.5=31.5 => AB+AC=BC)

2. Let AB=21 So AM=21 and AC=42 .So  BC= P-AB-AC=63-21-42=0 cm- such triangle doesn't exist.

3. Finally let BC=21 cm. So AB+AC= 63-21=42 cm

We know (1) that AB=AM so AC=2*AB.  So AB+AC=AB+2*AB=3*AB

=>3*AB=42=> AB=14 cm => AC=2*14=28 cm.

Let check if this triangle exists ( if the triangle's inequality fulfills).

BC+AB>AC    21+14>28 - correct=> the triangle with the sides' length 21cm,14 cm, 28cm exists.

This variant is the only possible solution of the given problem.

6 0
3 years ago
What is $65.25 - 15% =?
ella [17]

Answer:

$55.36

Step-by-step explanation:

15% of 65.25 is 9.89

then that'd be 65.25 - 9.89 = 55.36

hope this helps/is right.

6 0
3 years ago
Read 2 more answers
Did I do this right?
Rasek [7]

Answer:

Yea u did......

Step-by-step explanation:

you did right because all the steps are right

5 0
3 years ago
Read 2 more answers
Write 504 as a product of powers of its prime factor
mamaluj [8]
Answer of the same question here; brainly.com/question/1543229
7 0
3 years ago
Anempt 1012<br> Find the mean for the given set of data.<br> -4,-3,-1,-1, 0,1
WARRIOR [948]

Answer:

-1 1/3

Step-by-step explanation:

To find the mean, add up all the numbers

(-4+-3+-1+-1+0+1) =

-8

Then divide by the number of terms

-8/6

-4/3

-1  1/3

4 0
3 years ago
Read 2 more answers
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