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Mariana [72]
3 years ago
10

A square pyramid has a base length of 6 inches. The height of each triangular face is 11 inches. Which expressions correctly cal

culate the surface area of the pyramid
Mathematics
1 answer:
VMariaS [17]3 years ago
7 0

Answer:

168 in²

Step-by-step explanation:

The square would be 36 in²

Area of a triangle is A= 1/2 bh

A = 1/2 (11 x 6), A= 1/2 (66)

1/2 (66) = 33 in², which is the area of a triangle.

Then you multiply 33 x 4 to get the area of all the triangles, which is 132 in²

You add the area of the square to the area of the triangles, which is 168 in².

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Please Help!!!!! Extra points and brainiest will be given!!!!!
Orlov [11]

Answer:

the big tank can hold 2027.37 m³of water

10 small tanks can be filled

Step-by-step explanation:

r = 11, h = 16

V = (1/3)πr²h

V = (1/3)121π(16)

1936π/3 = 2027.37

2027.37/200 = 10. 136

10 tanks

8 0
3 years ago
The perimeter of a rectangle is 34cm.Find the breadth of the rectangle if its length is 12cm.​
Novosadov [1.4K]
Answer :
breadth = 5 cm :)

8 0
3 years ago
Help. Interpreting Graphs Of Proptional Relasionships. !
maksim [4K]
<h2>As the graph shows the cost of apples at a local market, Use the graph to answer problems 1-3</h2>

Part 1)

What is the cost of 1 apple and of 3 apples? How do you know?

Answer:

From the given graph which shows the cost of apples at a local market, it is clear that:

When we buy 1 apple, the cost is indicating 0.5+ (0.5/2) = 0.5+0.25 = $0.75

We know because x-axis is representing the number of apples and y-axis is representing the cost.

Therefore, when the number of apples is 1 on x-axis, then the cost is showing $0.75 on y-axis.

also

when we buy 3 apple, the cost is indicating 2+ (0.5/2) = 2+0.25 = $2.25

We know because x-axis is representing the number of apples and y-axis is representing the cost.

Therefore, when the number of apples is 3 on x-axis, then the cost is showing $2.25 on y-axis.

Part 2)

What does the point (0, 0) represent in this context?

  • The (0, 0) represents the origin of the graph.

It means that the cost will be zero US dollars if you do not buy any apple. In other words, for 0 number of apples, the cost will be $0.

Part 3)

What does the point (2, 1.5) represent in this context?

The (2, 1.5) represents that when you buy 2 apples, the cost for buying 2 apples will be $1.5.

We know because x-axis is representing the number of apples and y-axis is representing the cost.

Therefore, when the number of apples is 2 on x-axis, then the cost is showing $1.5 on y-axis.

6 0
3 years ago
True or False: A triangle can be constructed using segments that have a length of 8 ft, 20 ft, and 13 ft.
STatiana [176]

Answer:

False

Step-by-step  

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Hoped I helped. Comment if I am right or not just let me know in the comments.

7 0
2 years ago
Given: AG and IC are common internal tangents of H and B. HI = 8, ED = 2, and EF = ED. What is the measure of AE?
ki77a [65]
AE = 6

This is because ABE is a right triangle with the right angle being angle BAE. We know that AB = 8 and EB = 10, so we can use the Pythagorean Thoerem to find AE. 
3 0
3 years ago
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