Having trouble with Geometry

1. If one side of an equilateral triangle is 12 cm find the Area?

2. Find the area of a triangles with sides 9ft and 15ft.

3. A yield sign is an equilateral triangle, with side length of 34 inches. How many square inches of material are needed to make a sign?

4. A triangle has a perimeter of 50. If two of the side lengths are equal and the third side is five more than the equal sides, what is the length of the third side?

Question

Having trouble with Geometry

1. If one side of an equilateral triangle is 12 cm find the Area?

2. Find the area of a triangles with sides 9ft and 15ft. 

3. A yield sign is an equilateral triangle, with side length of 34 inches. How many square inches of material are needed to make a sign? 

4. A triangle has a perimeter of 50. If two of the side lengths are equal and the third side is five more than the equal sides, what is the length of the third side?

anonymous · Answer

1. the perimeter is 36 and the area is 144