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Sphinxa [80]
2 years ago
12

DON'T PUT FILES I CAN'T LOOK AT THEM AND THEY GIVE A VIRUS TO MY COMPUTER AND I SPENT 3 HOURS TRYING TO GET IT OUT OF MY COMPUTE

R
Find surface area if each figure with the given dimensions use 3.14 for Pi
10. cylinder: d = 20mm, h = 37mm
12. rectangular prism: 4 1/2 ft by 6 ft by 11 ft
Mathematics
1 answer:
IRISSAK [1]2 years ago
6 0

Answer:

1240.4 mm²

Step-by-step explanation:

The surface area of a pyramid = Area of the all sides + Area of base

Each side is a triangle.

With a regular pentagonal pyramid, the area of each triangle is

For the 5 triangles,

Substituting given values,

Area of base = 440.4 mm²

Surface area of a pyramid = 800 + 440.4 mm² = 1240.4 mm²

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The photo has a width of 720 pixels. The photo has a height of 540 pixels.
jarptica [38.1K]

Answer:

<h2><u>Required</u><u> Answer</u><u> </u><u>:</u><u>-</u></h2>

Ratio = Width: Height

Ratio = 720 : 540

Cancelling 0

Ratio = 72 : 54

Cancelling by 9

Ratio = 8 : 6

Cancelling be 2

Ratio = 4 : 3

7 0
3 years ago
Read 2 more answers
decide whether enough information is given to prove that the triangle is congruent using the SAS congruence theorem. if so, writ
Paladinen [302]

Answer:

Step-by-step explanation:

Given:

ΔCAD and ΔCBD

∠A ≅∠B (Angle)

AD ≅BD (Side)

From the graph we see that

CD≅CD (Side)

because of reflexive propriety ( a line segment is congruent with itself)

If you put in order those congruencies we have SSA witch does NOT prove congruence.

we not use SAS because the angle between the sides is not congruent

8 0
3 years ago
On a certain hot​ summer's day, 195 people used the public swimming pool. The daily prices are $1.75 for children and $2.25 for
Marina CMI [18]

Answer:

3x-x+2=4

Step-by-step explanation:

Children = x

Adults = y

x + y = 754...1

1.50x + 2.25y = 1422...2

Multiply (1) by 2.25

2.25x + 2.25y = 1696.50...3

1.50x + 2.25y = 1422...2

Subtract (2) from (3)

0.75x = 274.50

x = 366

Substitute x = 366 in (1)

x + y = 754

366 + y = 754

y = 388

366 children and 388 adults swam at the pool.

8 0
3 years ago
Please help me with all thank u
Karolina [17]
12. She could label it "Polygons with at least one right angle."
13. Draw two vertical lines that cut the rectangle into three vertical sections that are all about the same size (since the horizontal line is already drawn, there will be six sections). The lines should be about 1/3 and 2/3 of the way through the rectangle.
14. Choices B and C. a is parallel to c and b is parallel to d.
3 0
3 years ago
Read 2 more answers
Find measure of angle NPI
Zarrin [17]
Exterior Angles Theorem is used.

The exterior angle of a triangle is equal to the 2 opposite interior angles.

Therefore, 65+78=143°, since 65 and 78 are the 2 opposite interior angles.

So, the answer is 143°
4 0
3 years ago
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