25 POINTS PLZ ANSWER FAST!!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

krek1111 [17]3 years ago

4 0

Answer:

The answer is the last one. (The one with measures of all 3's.)

Step-by-step explanation:

3 * 3 = 9

9 * 3 = 27

Hope this helps!! :)

WARRIOR [948]3 years ago

3 0

3 (height) by 3 (length) by 3 (width)

EXPLANATION: you multiply height by length which equals 9, then you multiply 9 by the width which equals 27, just multiply all of them together.

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Find the measure of the sides of angle ABC with vertices A(1,5), B(3,-2), and C(-3,0). Classify the triangle

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Answer:

$AB=\sqrt{53},\ BC=\sqrt{40},\ CA=\sqrt{41}\\It\ is\ an\ acute\ triangle$

Step-by-step explanation:

The distance between two points $(x_1,y_1),\ (x_2,y_2)$ is given by $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ .

Here $A(1,5),\ B(3,-2),\ C(-3,0)$ are the vertices of a triangle.

$AB=\sqrt{(-2-5)^2+(3-1)^2}=\sqrt{(-7)^2+(2)^2}=\sqrt{49+4}=\sqrt{53}=7.28\ unit\\\\BC=\sqrt{(0+2)^2+(-3-3)^2}=\sqrt{(2)^2+(-6)^2}=\sqrt{4+36}=\sqrt{40}=6.32\ unit\\\\CA=\sqrt{(5-0)^2+(1+3)^2}=\sqrt{(5)^2+(4)^2}=\sqrt{25+16}=\sqrt{41}=6.40\ unit$