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Genrish500 [490]
3 years ago
9

What is the lateral surface area of a square pyramid with a side length 11.2 cm and a slant height 20 cm

Mathematics
2 answers:
Serga [27]3 years ago
6 0

Answer:

b.  448 cm²

Step-by-step explanation:

madam [21]3 years ago
3 0
Notice the picture below

the lateral area, or just the area of the sides, well, the sides are really just 4 triangles, so just get the area of each, and sum them up, that's the lateral area

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NO ONE EVER HELPS ME , PLEASE HELP ME I NEED HELP!
Makovka662 [10]

Answer:

A is the answer  

12 in

first substitute the variables

then 78=1/2h(5 + 8)

this makes it an equation

add similar terms which equals to

78=1/2xhx13

then divide both sides by 13

6=1/2xh

lastly divide both sides by 1/2

12=h

Step-by-step explanation:

proof

A=1/2x12(5 + 8) then

A=1/2x12x13  then

   A=6x13  then

       A= 78in^2

3 0
3 years ago
Miranda had 4 pounds, 6 ounces of clay. She divided it into 10 equal parts. How heavy was each part?
Mazyrski [523]

Change pounds to ounces.

1 pound = 16 ounces.

4 x 16 = 64 + 6 = 70 total ounces of clay.

Now divide by 10:

70 / 10 = 7

Each part was 7 ounces.

3 0
3 years ago
How many times does 13 go into 80
Tcecarenko [31]
13 x 6 = 78 you cant multiply anymore so that's how many times it can go in 80.
6 0
3 years ago
I need this asap. Would appreciate for y’all help
steposvetlana [31]

Answer:

-3/2, -1

Step-by-step explanation:

Each coordinate contains one x value and one y value, (x,y).

If we work out the midpoint of each of these individually, it makes it much easier to find the midpoint of the line.

Let's take the x values first. Our first  x value is -4 and our second x value is 1. Imagine the integers between -4 and 1 laid out in a sequence:

-4, -3, -2, -1, 0, 1

If you take the middle value of this sequence, you get the midpoint of the x values.

In this case, the middle is between values -2 and -1, leaving us with a midpoint of -1.5. This as a fraction is -\frac{3}{2}.

Now let's look at the y values. Our first y value is 2 and our second y value is -4. Again, let's imagine those numbers laid out in a sequence:

2, 1, 0, -1, -2, -3, -4

Here, the middle of these values is -1, and this is the midpoint of the y values.

So if we put these two values in a coordinate, we get the midpoint of the line.

In this case, we get (-\frac{3}{2} ,-1).

5 0
2 years ago
??????????????????????????????
aksik [14]
-4a - 6 = -12
-4a = -12 + 6
-4a = -6
a = -6/-4
a = 6/4
a = 3/2
a = 1 1/2
The answer is c
7 0
3 years ago
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