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3 years ago

Find the surface area of the triangular prism.

Mathematics

2 answers:

Ad libitum [116K]3 years ago

8 0

Answer: Area is 168ft^2

Step-by-step explanation:

sattari [20]3 years ago

3 0

You have to work out the area of each side. The two identical triangles are 6x4=24 because 8/2 is 4. The base is 8x5=40. The back is 6x5=30 and the top is 10x5=50. You then add them all together to get 144 ft squared.

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Which equations results from adding the equations in this system? x+6y=9 -x+2y=-15

UkoKoshka [18]

Answer:

8y = -6

Step-by-step explanation:

Simply add the equations as you would numbers.

The 'x's cancel each other out. The 'y's add together as normal numbers.

9 + (-15) = -6

Hope that this helps!

4 0

3 years ago

Given a triangle MTN, prove that

cupoosta [38]

Answer:

$\angle m + \angle t + \angle n = 180$

Step-by-step explanation:

Required

Show that:

$\angle m + \angle t + \angle n = 180^o$

To make the proof easier, I've added a screenshot of the triangle.

We make use of alternate angles to complete the proof.

In the attached triangle, the two angles beside $\angle m$ are alternate to $\angle t$ and $\angle n$

i.e.

$\angle 1 = \angle t$

$\angle 2 = \angle n$

Using angle on a straight line theorem, we have:

$\angle 1 + \angle m + \angle 2 = 180$

Substitute values for (1) and (2)

$\angle t + \angle m + \angle n = 180$

Rewrite as:

$\angle m + \angle t + \angle n = 180$ -- proved

5 0

2 years ago

describe how do you know if two lines are parallel if all you knew were the equations of the two lines

Marrrta [24]

Two lines are parallel if they intersect.

7 0

2 years ago

Read 2 more answers

I need help with question B)

Lady bird [3.3K]

Answer:

i cant see the graph, how do you expect us to awser you

3 0

2 years ago

HELP WILL MARK AS BRAINLIEST!!! AS SOON AS POSSIBLE (I ONLY HAVE LIKE 10 MINITES LEFT)

NemiM [27]

8765

Step-by-step explanation

its 9 i took a test and it was the answer

6 0

2 years ago