payshencec21

17.09.2021 •

Mathematics

Calculate the perimeter and area of the triangle formed by the coordinates K(−4,−1), L(−2,2), and M(3,−1). Round your answers to two decimal places. Perimeter =
units

Area =
units2

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Ответ:

zenzen24

29.05.2022

Mathematics

$8b\sqrt{2ab}$

Step-by-step explanation:

Rewrite 128a $b^{3}$ as $(8b)^{2}$ ⋅ (2ab).

Factor 64 out of 128.

$\sqrt{64 (2)ab^{3} }$

Rewrite 64 as $8^{2}$ .

$\sqrt{8^{2} . 2ab^{3}$

Factor out $b^{2}$ .

$\sqrt{8^{2} . 2a (b^{2}b)$

Move a.

$\sqrt{8^{2} . 2b^{2}ab$

Move 2.

$\sqrt{8^2b^2 . 2ab}$

Rewrite $8^{2} b^{2}$ as $(8b)^{2}$ .

$\sqrt{(8b)^2 . 2 (ab)}$

Add parentheses.

$\sqrt{(8b)^2 . (2ab)}$

Pull terms out from under the radical.

$8b\sqrt{2ab}$

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Calculate the perimeter and area of the triangle formed by the coordinates K(−4,−1), L(−2,2), and M(3,−1). Round your answers to two decimal places. Perimeter = units Area = units2