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Kobotan [32]
3 years ago
8

Can someone help me, please

Mathematics
1 answer:
shepuryov [24]3 years ago
4 0

Answer:

yes... 13.3

Step-by-step explanation:

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Who can help me ! <br> .... thanks
Tasya [4]
Given that there is no any option to choose I am going to help you according to the concepts of Congruent Triangles. Two triangles are congruent if and only if:

1. They have:exactly the same three sides
2. exactly the same three angles.

<span>There are five ways to find if two triangles are congruent but in this problem we will use only two.


First Answer:

<u>ASA criterion:</u> </span><em>A</em><span><em>ngle, side, angle</em>. This means that we have two triangles where we know two angles and the included side are equal.</span>

So:

If ∠BAC = ∠DEF and \overline{AC}=\overline{DE}

<em>Then ΔABC and ΔEFD are congruent by ASA criterion.</em>

Second answer:

<u>SAS criterion:</u> <em>S</em><span><em>ide, angle, side</em>. This means that we have two triangles where we know two sides and the included angle are equal.
</span>
If \ \overline{AC}=\overline{DE} \ and \ \overline{BC}=\overline{DF}

<em>Then ΔABC and ΔEFD are congruent by SAS criterion.</em>

4 0
3 years ago
What is the area of the triangle?<br> 10 km<br> 10 km<br> square kilometers
MrMuchimi
The answer is 50 because the formula for the area of a triangle is base x hight x 1/2. So if we plug both the 10s into the formula you get 10x10 which = 100 then divide that by 2 and you get 50. Hope it helps :)
5 0
3 years ago
Ten times the sum of half a number and 5 is 25.
Nezavi [6.7K]

Answer: in algebraic expiration its 10 (1/2 + 5) = 25

Step-by-step explanation:

6 0
2 years ago
Chaz's new game room is shaped like a cube. It measures 15 feet across. If he wants to paint only the walls of the room, what is
dezoksy [38]

<u>The surface area of the region he will paint is 900 sq.ft.</u>

<u>Step-by-step explanation:</u>

Cubical room measures - 15 ft

Chaz want  to paint only the walls of room

Surface of painting region means Lateral surface area (excluding top and bottom)

Lateral surface area of cube = 4a^2      

 ⇒ 4 * 15 *15

 ⇒  900 sq.ft

<u>   The surface area of the region he will paint is 900 sq.ft.</u>

5 0
2 years ago
1.what is the vertex of the graph? (see attachment)
AfilCa [17]
Hello :
here is a solution :

5 0
3 years ago
Read 2 more answers
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