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Mrac [35]
3 years ago
10

Consider the enlargement of the triangle and use the measurements to calculate the scale factor.

Mathematics
2 answers:
pickupchik [31]3 years ago
8 0

Answer: 8

Step-by-step explanation:

Kay [80]3 years ago
3 0

Answer:

40

Step-by-step explanation:

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A right prism has height 7½ and triangular bases with sides of length 5, 12, and 13 What is the: Total Surface Area of the Prism
sdas [7]

Given:

A right prism has height 7½ and triangular bases with sides of length 5, 12, and 13.

To find:

The total surface area of the prism.

Solution:

We have,

Height of prism = 7½ = 7.5

Sides of triangular base are 5, 12, 13. These sides of Pythagorean triplets because

5^2+12^2=13^2

25+144=169

169=169

So, the base of the prism is a right triangle.

Area of a triangle is

Area=\dfrac{1}{2}\times base \times height

A_1=\dfrac{1}{2}\times 5\times 12

A_1=30

The area of the base is equal to the area of the top, i.e., A_2=30 sq units.

Perimeter of the base is

P=5+12+13

P=30

The curved surface area of the prism is

CSA=\text{Perimeter of the base}\times \text{Height of the prism}

CSA=30\times 7.5

CSA=225

Now, the total area of the prism is

A=A_1+A_2+CSA

A=30+30+225

A=285

Therefore, the total surface area of the triangular prism is 285 square units.

5 0
3 years ago
Out of 25 students, 15 students are girls. what is the ratio of boys and girls? a: 3:5 b: 2:5 c: 2:3
Vadim26 [7]

Answer:

Answer: C 2:3

Step-by-step explanation:

total students = 25

total girls = 15

total boys = 25-15 = 10

boys:girls = 10:15

divide by 5 to get 2:3

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2 years ago
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1 month = 17 536
6 months = 17 536 x 6
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Jorge wants to be more generous and share his money with people in need. He decided that the first $10 he makes, he will give to
zalisa [80]

Answer:

it will be 634.24 because if you add 551.02 and 93.22 that will be 644.24 then you minus the 10 at the beginning.

7 0
3 years ago
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