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Explanation: QP = QR 6x = 3x + 9 3x = nine x = 3 QP = 6(3) = 18

Explanation: QP = QR 6x = 3x + 9 3x = nine x = 3 QP = 6(3) = 18

six.step one and 6.3 Test

Explanation: SV = VU 2x + eleven = 8x – step 1 8x – 2x = 11 + step one 6x = a dozen x = dos Ultraviolet = 8(2) – step one = 15

Explanation: 5x – 4 = 4x + three times = 7 ?JGK = 4(7) + step 3 = 31 m?GJK = 180 – (30 + 90) = 180 – 121 = 59

Explanation: Remember your circumcentre from an effective triangle try equidistant throughout the vertices away from good triangle. Then PA = PB = Desktop PA? = PB? = PC? PA? = PB? (x + 4)? + (y – 2)? = (x + 4)? + (y + 4)? x? + 8x + sixteen + y? – 4y + cuatro = x? + 8x + sixteen + y? + 8y + 16 12y = -a dozen y = -1 PB? = PC? (x + 4)? + (y + 4)? = (x – 0)? + (y + 4)? x? + 8x + sixteen + y? + 8y + 16 = x? + y? + 8y + sixteen 8x = -sixteen x = -dos The fresh circumcenter is actually (-dos, -1)

Explanation: Bear in mind the circumcentre out-of an effective triangle was equidistant regarding the vertices regarding a good triangle. Help D(3, 5), E(7, 9), F(11, 5) be the vertices of one’s given triangle and you will let P(x,y) be the circumcentre of the triangle. After that PD = PE = PF PD? = PE? = PF? PD? = PE? (x – 3)? + (y – 5)? = (x – 7)? + (y – 9)? x? – 6x + 9 + y? – 10y + twenty five = x? – 14x + 44 + y? – 18y + 81 -6x + 14x – 10y + 18y = 130 – 34 8x + 8y = 96 x + y = a dozen – (i) PE? = PF? (x – 7)? + (y – 9)? = (x – 11)? + (y – 5)? x? – 14x + forty-two + y? – 18y + 81 = x? – 22x + 121 + y? – 10y + 25 -14x + 22x – bookofsex taktikleri 18y + 10y = 146 – 130 8x – 8y = sixteen x – y = dos – (ii) Incorporate (i) (ii) x + y + x – y = twelve + dos 2x = fourteen x = 7 Set x = seven within the (i) eight + y = twelve y = 5 This new circumcenter was (7, 5)

Explanation: NQ = NR = NS 2x + 1 = 4x – 9 4x – 2x = ten 2x = 10 x = 5 NQ = ten + step one = 11 NS = eleven

Explanation: NU = NV = NT -3x + six = -5x -3x + 5x = -six 2x = -6 x = -step 3 NT = -5(-3) = 15

Explanation: NZ = New york = NW 4x – ten = 3x – 1 x = nine NZ = 4(9) – 10 = thirty-six – 10 = 26 NW = twenty six

Discover coordinates of your own centroid of your own triangle wilt the fresh new given vertices. Matter nine. J(- step one, 2), K(5, 6), L(5, – 2)

Help A(- cuatro, 2), B(- 4, – 4), C(0, – 4) be the vertices of your provided triangle and you will let P(x,y) end up being the circumcentre with the triangle

Explanation: The slope of TU = \(\frac < 1> < 0>\) = -2 The slope of the perpendicular line is \(\frac < 1> < 2>\) The perpendicular line is y – 5 = \(\frac < 1> < 2>\)(x – 2) 2y – 10 = x – 2 x – 2y + 8 = 0 The slope of UV = \(\frac < 5> < 2>\) = 2 The slope of the perpendicular line is \(\frac < -1> < 2>\) The perpendicular line is y – 5 = \(\frac < -1> < 2>\)(x + 2) 2y – 10 = -x – 2 x + 2y – 8 = 0 equate both equations x – 2y + 8 = x + 2y – 8 -4y = -16 y = 4 x – 2(4) + 8 = 0 x = 0 So, the orthocenter is (0, 4) The orthocenter lies inside the triangle TUV

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