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jeka57 [31]
3 years ago
14

PLEASE HELP ASAP!!!! PLEASEEE!!! I NEED HELP! I WILL MARK YOU THE BRAINLIEST PLEASE!!!

Mathematics
1 answer:
AVprozaik [17]3 years ago
6 0

Answer: -1.8m3n2

Step-by-step explanation:

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Look at the figure. How can you prove ∆ABD and ∆ACD are congruent?
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Answer:

Options (C)

Step-by-step explanation:

For the congruence of the triangles ΔADB and ΔADC,

                Statements                             Reasons

1). AB ≅ AC                                   1). Given

2). AD ≅ AD                                 2). Reflexive property

3). ∠BAD ≅ ∠CAD                       3). Given

4). ΔABD ≅ ΔCAD                       4). SAS postulate

Therefore, Options (C) will be the correct option.

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3 years ago
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3 years ago
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solve systems of equation. equation number 1: 9 x squared + 4 y squared equals 144. equation 2: x squared plus y squared equals
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so x=\sqrt{\frac{48}{5}} or x=-\sqrt{\frac{48}{5}}
and y^{2}=24-\frac{48}{5}
then y=\sqrt{\frac{72}{5}} or -\sqrt{\frac{48}{5}}
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