3 years ago

It is possible to prove congruency of two triangles by comparing the size of corresponding angles only

1 answer:

7 0

Nope because congruent triangles mean directly equal to. two triangles can have the same angles but unequal lengths, hence congruency cannot be proven by using angles only

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Find the missing side or angle. Round to the nearest tenth. C=53° B= 80° a=2 b=[ ? ]

Degger [83]

9514 1404 393

Answer:

b ≈ 2.7

Step-by-step explanation:

The missing angle A is ...

A = 180° -53° -80° = 47°

The law of sines tells you ...

b/sin(B) = a/sin(A)

b = sin(80°)×2/sin(47°) ≈ 2.6931

Side b is about 2.7 units.

5 0

3 years ago

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A) c< 13 b) c<-) c) c> 13 d) c>-73

Elden [556K]

Answer: what are you trying to ask here?

Step-by-step explanation:

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3 years ago

If an interest rate of 5% results in interest of $50, what is the principal amount of the loan?

Luba_88 [7]

X times 0.05 = $50
Solve for x

We do the inverse of times which is divide

$50 divide by 0.05 = $1000

Thus, $1000 is the amount of loan.

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3 years ago

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The sum of 2 numbers is 38. one number is 10 more than the other.

son4ous [18]

Answer:

24, 14

Step-by-step explanation:

x + y = 38

x = 10 + y

You can substitute (10+y) into the top equation where the x is.

10 + y + y = 38

10 + 2y = 38

2y = 28

y = 14

Now plug 14 in for y in either equation to get x

x = 10 + 14

x = 24

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3 years ago

Convert the decimal expansion 0.31717 to a fraction.

Ipatiy [6.2K]

0.31717 can be written as the fraction 31717/100000.

I hope this help :P

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3 years ago