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brilliants [131]
3 years ago
15

Are these two triangles similar? How can you tell?

Mathematics
1 answer:
bogdanovich [222]3 years ago
3 0
Yes, they are similar.

The minimum requirement for similarity is that 2 angles in one triangle are equal to 2 angles in another triangle. If the triangles are congruent it is a pure accident. 
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The weight of an object on the moon is 1/6 its weight on earth. write 1/6 as a decimal
denpristay [2]
Point six repeatedly so 0.16666666666... so just put a bar over the six 
7 0
3 years ago
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a rectangle measures by 3 cm by 4 cm. a rectangle similar to the first measures 12 cm by 16 cm. find the ratio of the areas of r
kumpel [21]
The side that measures 12 cm corresponds to the side that measures 3 cm.
The side that measures 16 cm corresponds to the side that measures 4 cm.
The ratio of the side lengths is (12 cm)/(3 cm) = (16 cm)/(4 cm) = 4

Now let's calculate the two areas.

For the 3 cm by 4 cm rectangle:
A = LW = 3 cm * 4 cm = 12 cm^2

For the 12 cm by 16 cm rectangle:
A = LW = 12 cm * 16 cm = 192 cm^2

The ratio of the areas is (192 cm^2)/(12 cm^2) = 16

The ratio of the areas is 16.
The ratio of side lengths is 4.
Notice that 16 = 4^2.
The ratio of the areas is the square of the ratio of the side lengths.
6 0
3 years ago
When f(x) = -3, what is x?
kap26 [50]
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!





Hope this helps

4 0
3 years ago
What's the Answer To 9 Hundreds Place And The 6 In The Hundreds
Andrews [41]
Between the two answer is 3 hundred
8 0
3 years ago
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Find the eighth term of a geometric sequence for which a,3 = 35 and r= 7.​
Alenkinab [10]

Answer:  

588245.  

Step-by-step explanation:  

nth term = an = a1 r^(n-1)   where a1 = the first term  

a3 = 35 = a1  7^(3 - 1)  

35 = a1* 49  

a1 = 35/49 = 5/7  

So the 8th term = (5/7)* (7)^7

= 588245

8 0
3 years ago
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