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murzikaleks [220]
3 years ago
5

GIvInG Brainliesst to the people who help and explain

Mathematics
1 answer:
Kay [80]3 years ago
4 0

Answer:

1464 inch²

Step-by-step explanation:

given first prism sides: length - 10 width - 10 height - 10

given second prism sides: length - 12 width - 12 height - 12

using the formula below:

for the first prism:

2(10*10+10*10+10*10)

600 inch²

for the second prism:

2(12*12+12*12+12*12)

864 inch²

So total surface area is (864 inch² + 600 inch²) =1464 inch²

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dimulka [17.4K]
I think the answer is the third one, but idk.
4 0
3 years ago
Is 3π/9 irrational or rational​
iren2701 [21]

Answer:

irrational

Step-by-step explanation:

Since π is an irrational number, it would make 3π/9 an irrational number too since multiplying or dividing by pi makes the answer an irrational number.

6 0
3 years ago
Can someone help me solve this?
sdas [7]
The area of a triangle is base x height/2,
so all you have to do is multiply 6x20 to get 120 and then divide that by 2 to get 60 m squared!! :)
5 0
3 years ago
Quadrilateral ABCD is inscribed in a circle. What is the measure of angle A? Enter your answer in the box.
SashulF [63]

Answer:

135°

Step-by-step Explanation:

==>Given:

An inscribed quadrilateral ABCD with,

m<A = (3x +6)°

m<C = (x + 2)°

==>Required:

measure of angle A

==>Solution:

First, let's find the value of x.

Recall that the opposite angles in any inscribed quadrilateral in a circle are supplementary.

Therefore, this means m<A + m<C = 180°

Thus, (3x+6) + (x+2} = 180

3x + 6 + x + 2 = 180

Collect like terms:

3x + x + 6 + 2 = 180

4x + 8 = 180

Subtract 8 from both sides:

4x + 8 - 8 = 180 - 8

4x = 172

Divide both sides by 4:

4x/4 = 172/4

x = 43

We can now find m<A = (3x + 6)°

m<A = 3(43) + 6

= 129 + 6

measure of angle A = 135°

6 0
3 years ago
Help somebody thanks .
Fudgin [204]
It’s going to be 6 units
7 0
2 years ago
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