Найдите периметр треугольника ABC, если A(-1; 2), B(2; 6), С(5; 2).. Created by sahnozabahodirova. geometriya-ru

Найдите периметр треугольника ABC, если A(-1; 2), B(2; 6), С(5; 2)....

sahnozabahodirova @sahnozabahodirova

July 2022 1 9 Report

Найдите периметр треугольника ABC, если A(-1; 2), B(2; 6), С(5; 2).

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lakOR555

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$AB = \sqrt{(2-(-1)^2 + (6-2)^2} = \sqrt{9+16} = \sqrt{25} =5\\\\ BC = \sqrt{(5-2)^2+(2-6)^2} = \sqrt{9+16} =\sqrt{25} =5\\ \\ AC = \sqrt{(5-(-1)^2+(2-2)^2}= \sqrt{36} = 6\\ \\ P=5+5+6=16$

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Verified answer

spishite tolko te predlozheniya v kotoryh odnorodnyechleny predlozheniya stoyat v ser

najdite tolko te predlozheniya v kotoryh odnorodnye predlozheniya stoyat v seredine

so slovami skuchat dumatgovorit plakat toskovatgorevat pri

sdelajte shemy etomu predlozheniyu v cheloveke vse dolzhno byt prekrasno i lico i

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