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Vesna [10]
3 years ago
11

Rebecca is given two triangles, AABC and A DEF. At first glance, she thinks

Mathematics
1 answer:
vitfil [10]3 years ago
5 0

Answer:

A. She can rotate AABC 90° and then compare the angles and sides.

She will see that the triangles are congruent by the Angle Side Angle theorem.

Step-by-step explanation:

Congruent is a term that implies that a thing is identical to another (having the same shape and size). For congruent triangles, they have the same shape and size; they can be tilted or rotated to be at different angles but they have the same shape and size irrespective.

The following information were given:

D - 30°, 3 cm, 65°

B - 30°, 3 cm, 65°

From this information, we can conclude that <u>the triangles are congruent based on the Angle Side Angle theorem</u>. However, because the diagram was not included, we cannot conclusively say which is the more accurate answer between Options A & B.

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aev [14]
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6 0
2 years ago
A triangle has a side length of 5.4 and 7 x x=​
Burka [1]

Answer:

D. 8.8

Step-by-step explanation:

As the pythagorean theorem.

A² + B² = C²,

5.4 × 5.4 + 7 × 7 = C²,

29.16 + 49 = C²,

78.16 = C²,

8.8 ≈ C

4 0
3 years ago
Sarafina and Katie have between $105 and $420 dollars to spend on jewelry for Christmas presents for their friends. If they buy
algol13

Answer:

66

Step-by-step explanation:

105+420=525   (Total Money)

7x3.25=22.75   (Cost of all bracelets)

8x11.74=93.92   (Cost of all necklaces)

93.92+22.75=116.67   (Cost of all Christmas presents)

525-116.67=408.33   (Total money - Cost of all Christmas presents)

408.33/6.15=66.39...   (Amount of necklaces)

since in real life you can only buy a whole number of things, you would round down 66.39 to 66. I hope this helped!

5 0
2 years ago
Find the total cost with tip.
SpyIntel [72]

Answer:

$147

Step-by-step explanation:

so to find 20% I usually divide the original cost by 100 to get 1% then multiply that number by 20.

in this case 122.50/100= 1.225, 1.225x20 = 24.5

24.5 + 122.50 = 147

5 0
2 years ago
A local hamburger shop sold a combined total of 445 hamburgers and cheeseburgers on Tuesday. There were 55 fewer cheeseburgers s
liberstina [14]
Let x represent the number of hamburgers sold, and (x - 55) represent the number of cheeseburgers sold.

Set up an equation:
hamburgers + cheeseburgers = total number of burgers

x + (x-55) = 445

solve for x: 
2x - 55 = 445

2x = 445 + 55

2x = 500

x = 500÷2

x = 250

This means 250 hamburgers were sold on Tuesday.

Hope this helps!

-Jabba


4 0
3 years ago
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