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mamaluj [8]
3 years ago
5

Which triangle must be a right triangle and why?

Mathematics
2 answers:
Lapatulllka [165]3 years ago
8 0
Of your answers, the first one is correct. There are two right triangles in the graph, ABC and A'B'C'. However, only A'B'C' is listed.
Ipatiy [6.2K]3 years ago
4 0

Answer:

Option 4 is correct: ΔBGC is right angle because line EG ⊥ line segment CC'.

Step-by-step explanation:

Right Angled triangle is triangle with measure of one angle 90°.

Option A:

ΔA'B'C' is not right traingle because no angle if of 90° and image has no role in it. It only work if ΔABC is also a right angle traingle but it is not.

Option B:

Intersection of line/line segment has no role in right triangle if it does not intersect at right angle. ∴ ΔADC is not right angled triangle.

Option C:

ΔBCC' is not right angled triangle because thee is not right angle and point B lies on line of reflection has no role in it.

Option D:

ΔBGC is right angle triangle because m∠BGC = 90°.

m∠BGC = 90° as line EG is perpendicular to CC' at G.

Option D is correct.

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Answer:

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Step-by-step explanation:

It's simple really, once you start writing a sentence you gradually begin to formulate a thought that needs to be built upon with the end goal being an effective paragraph or piece of information.

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8 0
3 years ago
7 (1) = 7 is an example of what property?
Kitty [74]

Answer:

Identity property

Step-by-step explanation:

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I hope it's helpful!

5 0
3 years ago
What is the measure of angle of 1?
Ludmilka [50]

Answer:

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Step-by-step explanation:

The remote angles theorem states that when one extends one of the sides of a triangle, the sum of the two non-adjacent angles is equal to the measure of the angle between the extension of the side and a side of a triangle. One can apply this theorem here by stating that

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Remember, a box around an angle signifies that its measure is (90) degrees.

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6 0
3 years ago
(12pts) what is the next step multiple choice
egoroff_w [7]

Answer:

I think its D

Step-by-step explanation:

lmk if its wrong

3 0
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