# Three

Three points are given: A (-3, 1), B (2, -4), C (3, 3)

a) Find the perimeter of triangle ABC.

b) Decide what type of triangle the triangle ABC is.

c) Find the length of the inscribed circle

a) Find the perimeter of triangle ABC.

b) Decide what type of triangle the triangle ABC is.

c) Find the length of the inscribed circle

**Result**Tips for related online calculators

Line slope calculator is helpful for basic calculations in analytic geometry. The coordinates of two points in the plane calculate slope, normal and parametric line equation(s), slope, directional angle, direction vector, the length of the segment, intersections of the coordinate axes, etc.

Our vector sum calculator can add two vectors given by their magnitudes and by included angle.

See also our right triangle calculator.

See also our trigonometric triangle calculator.

Our vector sum calculator can add two vectors given by their magnitudes and by included angle.

See also our right triangle calculator.

See also our trigonometric triangle calculator.

#### You need to know the following knowledge to solve this word math problem:

**geometry**- analytic geometry
- similarity of triangles
- vector
**algebra**- expression of a variable from the formula
**planimetrics**- Pythagorean theorem
- right triangle
- circle
- triangle

#### Units of physical quantities:

#### Grade of the word problem:

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