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Advocard [28]
3 years ago
15

Whats the surface area of this figure

Mathematics
1 answer:
irakobra [83]3 years ago
5 0

Answer:

504

Step-by-step explanation:

The area of the base is 14 x 14 which is 196

The area of one triangle is 1/2 x base length x height which is:

1/2 x 14 x 11 = 77

So the area of one triangle is 77. The area of all the triangles is the same and there are 4 triangles.

So the surface area is

196 + 77 + 77 + 77 + 77 = 504

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kolezko [41]
The formula for the area of a sector in radians is  A= \frac{1}{2}r^2 \theta,  where theta is the angle in radians.  For us, the formula looks like this:   A= \frac{1}{2}(9)^2* \frac{3 \pi }{5}.  Doing all the multiplication on that gives us  A= \frac{243 \pi }{10}.  Multiplying in pi and rounding to the nearest tenth gives us an area of 76.3 meters squared.  You can use the formula for the area of a sector with the angle in degrees as well.  Just replace the 360 degrees with 2pi and it works the exact same way.
6 0
3 years ago
Given: 5x + 3 &gt; 4x + 7.<br><br><br><br> Choose the graph of the solution set.
Natali5045456 [20]

Answer:

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so the answer will be the second

Step-by-step explanation:

7 0
3 years ago
Write an inequality to describe the region. The region between the yz-plane and the vertical plane x = 5
madreJ [45]

The inequality will be 0 < x < 5 .

Each line plotted on a coordinate graph divides the graph (or plane) into two half‐planes.  Before graphing a linear inequality, you must first find or use the equation of the line to make a boundary line.

The y z - plane is represented by the equation x = 0 .

As the region is between the y z - plane and the vertical plane x = 5 , we will get the inequality 0 < x < 5 .

Therefore , the inequality will be 0 < x < 5 .

To learn more on inequality follow link :

brainly.com/question/24372553

#SPJ4

3 0
2 years ago
Consider the image of EFGH for the translation (x, y) → (x – 3, y + 1). What is the ordered pair of F′?
omeli [17]

Answer:

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Step-by-step explanation:

The rule for the translation is given as

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The coordinates of F are (2,2).

We substitute these coordinates into the translation rule to find the coordinates of F'.

F(2,2)\rightarrow F'(2-3,2+1)

F(2,2)\rightarrow F'(-1,3)

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3 years ago
Graph f(x) = 4[x] + 5
Elena L [17]

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\f0\fs28 \cf2 \expnd0\expndtw0\kerning0

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6 0
3 years ago
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