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Mathematics

2 answers:

Anastaziya [24]3 years ago

5 0

The answers the first one 24pi

zloy xaker [14]3 years ago

3 0

Answer:24.77cm

Step-by-step explanation:

8*3=24

3*8=24

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Andrea is given AABC and told that a² + b2 = c2. She draws right triangle RTS with legs

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Question:

Andrea is given AABC and told that a² + b2 = c2. She draws right triangle RTS with legs

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do in order to prove that AABC is a right triangle?

1) Show that a² + b2 = c2, so ZA ZR. This means AABC = ARTS, and so ZC is a right angle

and so AABC is a right triangle.

2) Show that c = 2, so AABC = ARTS and so ZC = ZS. This means ZC is a right angle, and so

AABC is a right triangle.

3) Show that c = x, so AABC = ARTS and so ZCZ ZS. This means ZC is a right angle, and so

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Answer:

The correct option is;

2) Andrea should show that c = 2 so ∡ABC = ∡RTS and ∡C = ∡S hence ∡C is a right angled triangle hence ΔABC is a right triangle

Step-by-step explanation:

Here, we have that the given sides of the triangle are a, b and c and therefore, whereby Andrea is able to draw the two sides of the right triangle with sides = a and b and the third, hypotenuse, side as equal to 2, we know that since the length of the hypotenuse = 2, then we have;

2² = a² + b²

However, we are told that c² = a² + b²

Therefore, c = 2 hence, Andrea should show that c = 2 so ΔABC = ΔRTS and ∡C = ∡S hence ∡C is a right angled triangle since it is the angle opposite to the hypotenuse c and therefore, ΔABC is a right triangle.

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