Charlie makes 30 circular coasters to sell at a craft fair. The diameter of each coaster is 4 inches. He paints one side of each coaster with special paint. Each jar of paint covers 150 in2. How many jars of paint will he need?

Step-by-step explanation:

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q: 92 degrees

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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