Finn bought 12 souvenirs during 4 days of vacation. How many days will Finn have to spend on vacation before he will have bought a total of 18 souvenirs? Assume the relationship is directly proportional.

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answer: it is d

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

2,160 π

step-by-step explanation: