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wlad13 [49]
3 years ago
12

How are the lengths of the sides of the triangle and the measure of its angles related? 5cm,7cm,10cm.

Mathematics
2 answers:
abruzzese [7]3 years ago
7 0
In the triangle a larger angle lies opposite the larger side.
If given ΔABC, when AB=5 cm, BC=7 cm and AC=10 cm then <span>the angles of the triangle in order of size from least to greatest will be:

</span>∠C, ∠A, ∠B.<span>
</span>
Veronika [31]3 years ago
4 0

5cm,7cm,and 10cm? im no professional but might wanna double check first


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When testing for current in a cable with eight ​color-coded wires, the author used a meter to test five wires at a time. How man
balu736 [363]

Answer:

56 different tests

Step-by-step explanation:

Given:

Number of wires available (n) = 8

Number of wires taken at a time for testing (r) = 5

In order to find the number of different tests required for every possible pairing of five wires, we need to find the combination rather than their permutation as order of wires doesn't disturb the testing.

So, finding the combination of 5 pairs of wires from a total of 8 wires is given as:

^nC_r=\frac{n!}{r!(n-r)!}

Plug in the given values and solve. This gives,

^8C_5=\frac{8!}{5!(8-5)!}\\\\^8C_5=\frac{8\times 7\times 6\times 5!}{5!\times 3\times2\times1}\\\\^8C_5=56

Therefore, 56 different tests are required for every possible pairing of five ​wires.

6 0
3 years ago
order the numbers 0.64, 2/3, 65%, and 7/10, from least to greatest, and explain how you got your answer, please, thank youuuu!
Andrei [34K]
The answer is 0.64,65,2/3,7/10 how I got it is because you need to turn all the numbers into decimals 
7/10=.7
2/3=0.666666.....
and the others one are already in decimal form 
4 0
3 years ago
Which pairs of rectangles are similar polygons?<br> Select each correct answer.
iragen [17]

Answer:

The bottom two

Step-by-step explanation:

[] Similar beings their sides have equivalent ratios to each other

[] See attached

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

8 0
2 years ago
What is the radius of a circle whose equation is x² + y² + 8x – 6y + 21 = 0? <br><br> __?__ units
BlackZzzverrR [31]
(x+4)^2 + (y-3)^2 = 4

Which means, radius is 2, center is (-4,3)
5 0
3 years ago
Read 2 more answers
Find x<br> a) 21 √2<br> b)7<br> c)21 √2/2<br> d)21 √3/2
fgiga [73]

Answer:

C

Step-by-step explanation:

Use the sine ratio in the left, right triangle to find the common side to both triangles and the exact values

sin60° = \frac{\sqrt{3} }{2} , cos45° = \frac{1}{\sqrt{2} } , thus

sin60° = \frac{opposite}{hypotenuse} = \frac{opp}{7\sqrt{3} } = \frac{\sqrt{3} }{2} ( cross- multiply )

2 × opp = 21 ( divide both sides by 2 )

opp = \frac{21}{2}

Now consider the right triangle on the right, using the cosine ratio

cos45° = \frac{adjacent}{hypotenuse} = \frac{\frac{21}{2} }{x} = \frac{1}{\sqrt{2} } ( cross- multiply )

x = \frac{21}{2} × \sqrt{2} = \frac{21\sqrt{2} }{2} → C

5 0
3 years ago
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