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4 years ago

How do you know if a triangle doesnt have enough info to prove its congruent

Mathematics

1 answer:

Vladimir79 [104]4 years ago

6 0

to prove that the triangle is congruent, it should have one of these properties:

side side side

angle angle side

side angle angle

side angle side

angle side angle

right angle hypotenuse side

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(4+2-2)(2)-5<br> -3<br> 2.<br> 3

puteri [66]

The answer is -4 because 4+2 is equal to 6 and then 6-2 is equal to 4 and then times into the number of 2 the answer is 4x2 is equal to 8 and then minus into the negative 5 an the answer is -4.

5 0

3 years ago

Read 2 more answers

Algebraic expression the sum of 12 and k

USPshnik [31]

The answer is 12+k because sum means addition and it says 12 and k therefore you and 12 and k together and the algebraic expression would be 12+k

7 0

3 years ago

Hurry please!!! Fast response

AlladinOne [14]

Answer:

$SA= \frac{2}{3} \pi rl+16 \pi r^2$

Step-by-step explanation:

Surface area of the original cone

$SA= \pi r l + \pi r^2... (1)$

When, radius is quadrupled and slant height is reduced to one sixth

$i. e. \: \:r = 4r\: \: \&\:\: l= \frac{1}{6}l$

Plug the above values of r and $l$ in equation (1), new surface area becomes:

$SA= \pi (4r)\times \frac{1}{6} l+ \pi (4r)^2$

$SA= \frac{4}{6} \pi rl+16 \pi r^2$

$\huge \purple {\boxed {SA= \frac{2}{3} \pi rl+16 \pi r^2}}$

8 0

3 years ago

A coin is flipped twice. What is the probability that the coin will land on tails on the first flip and will land on tails again

bixtya [17]

Answer:

1/4=0.25=25%

Step-by-step explanation:

A coin has two sides, heads and tails, and if you take 100% divided by two you get 50, you want to know what is the probability it will land on tails TWICE so divide 50 by two and you get 25.

1/2=50

1/4=25

0.25 x 100= 25%

hope that helps

5 0

3 years ago

Read 2 more answers

Write a phrase as a algebraic expression.4 times the sum of a number and 20.

Deffense [45]

4(20 + x)

PLEASE RATE AS THE BRAINLIEST ANSWER! THANK YOU! :)

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3 years ago