3 years ago

What is the perimeter of a square that is 3 inches on one side

Mathematics

2 answers:

blondinia [14]3 years ago

8 0

Square has 4 sides if each side is 3 you multilpy 3x4= 12inches

Natalija [7]3 years ago

4 0

P=4a=4·3=12 I'm typing randomly cuz the answer is too short

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HELP ASAPP !!! A. x=60;y=140 B. x=60;y=70 C. x=105;y=95 D. x=105;y=47.5

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Step-by-step explanation:

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An altitude of a right triangle to its hypotenuse divides this hypotenuse into two segments that measure 9cm, and 16cm. What are

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Answer:

Step-by-step explanation:

Let a be the length of the altitude, then from the given triangles, applying the basic proportionality theorem, we get

$\frac{BD}{AD}=\frac{DC}{BD}$

⇒ $(BD)^{2}=DC{\times}AD$

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⇒ $AB= 14.83 cm$

Also, $\frac{BC}{DC}\frac{AC}{BC}$

⇒ $(BC)^{2}=400$

⇒ $BC=20 cm$

Thus, the lengths of the legs of this triangle are 14.83 and 20 cm.

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