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lutik1710 [3]
3 years ago
8

To prove triangles similar, we only need to prove corresponding angles congruent OR corresponding sides are proportional. Howeve

r, with a quadrilateral we need to prove corresponding angles congruent AND corresponding sides are proportional. Explain in your own words why it takes more to prove quadrilaterals congruent. Include examples demonstrating how “just angles” or “just sides” is not enough.
Mathematics
1 answer:
ad-work [718]3 years ago
6 0

Answer:

we can proove by ASA congruence or SAS congruence rule

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A builder buys 24.5 acres of land to develop a new community of homes and parks. The builder plans to use 0.25 of the land for a
const2013 [10]
0.25 is the same as 1/4 so we have to find what is 1/4 of 24.5. To find this we need to divide 24.5 by 4. 24.5 ÷ 4 = 6.125
The final answer is: The builder will use 6.125 acres for the park.

6 0
3 years ago
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Charles has 9 times as many red marbles as blue marbles.
djyliett [7]

Answer:

  • 314 red marbles

Step-by-step explanation:

Red = r, blue = b,

  • r = 9b
  • r = b + 288

Substitute:

  • 9b = b + 288
  • 8b = 288
  • b = 288/8
  • b = 26

Red marbles:

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6 0
3 years ago
You go to the ice cream store. The store has 6 different types of ice cream, 3 different types of sauces, and 4 different types
Katena32 [7]

Answer:

72 different sundaes

Step-by-step explanation:

We can find the number of different sundaes by

6 different types of ice cream* 3 different types of sauces *4 different types of toppings

6*3*4 = 72 different sundaes

3 0
3 years ago
Solve for x and y: 10x=5y+5 y=2x-1
azamat

Answer:

So there are infinite solutions along the line y = 2x-1

Step-by-step explanation:

10x=5y+5

y=2x-1

Substitute y into the first equation

10x = 5(2x-1) +5

10x = 10x-5+5

10x = 10x

This is always true

So there are infinite solutions along the line y = 2x-1

7 0
3 years ago
How many 4 card hands that contain exactly 3 aces and 1 queen can be chosen from a 52 card deck?
sesenic [268]
There are 16 possible hands.

Choosing 3 aces from 4 possible is expressed by:
_4C_3=\frac{4!}{3!1!} = 4

Choosing 1 queen from 4 possible is expressed by:
_4C_1=\frac{4!}{1!3!}=4

This gives us 4*4 = 16 possible hands.
7 0
3 years ago
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