Isosceles and Equilateral Triangles

Given ∆ABC, find the value of x and the length of side AC x = AC = A 2x + 8 4x - 3 B 4x - 4 C Use the information in the diagram to find the measure ∡A & ∡B A C m∡A= D 24 ^{o}m∡B= 76 ^{o}B E Use the information in the diagram to find the value of x. Then find the measure ∡C. x = B m∡C= C A (7x - 3) ^{o}m∡B= CA = x = Triangle ABC is equiangular. Find the measure ∡B, the value of x, andthe length of CA (½x + 6) B (2x) C (2x) A Given ∆ABC, find the value of x andthe measure of angle B m∡B = x = A (3x + 4) ^{o}B (6x - 20) ^{o}2x - 3 C Find the missing angle measures for ∡1 & ∡2 m∡1 = m∡2 = 37 ^{o}o o 1 77 ^{o}2 Triangle ABC is equilateral. Find the measure of ∡B, the value of x, and the length of BA. m∡B= BA = x = (3x + 3) B C (5x -17) A A Find the measure of angle E and angle A. B m∡A = C º m∡E = D E º Given the two triangles find the measure of the missing angles. 48 ^{o}m∡DEB = m∡B = º º The perimeter of the equilateral ∆FGH = 27 in. Find the value of x. x = 2x + 1 |

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