Find 3 consecutive even integers such that the sum of the three integers is 90. Unknowns: Let x = first even integer = second consecutive even integer = third consecutive even integer Equation: Solve: 1 st number = 2nd number = 3rd number =

the answer is c)8

step-by-step explanaction:

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step-by-step explanation:

proofs involving isosceles triangles often require special consideration because an isosceles triangle has several distinct properties that do not apply to normal triangles.(more about triangle types) therefore, when you are trying to prove that two triangles are congruent, and one or both triangles, are isosceles you have a few theorems that you can use to make your life easier.

step-by-step explanation:

an isosceles triangle has two congruent sides and two congruent angles. the congruent angles are called the base angles and the other angle is known as the vertex angle. ∠bac and ∠bca are the base angles of the triangle picture on the left. the vertex angle is ∠abc

80 the answer is 80

step-by-step explanation: