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G-CO.C.10 — Practice Problems

High School G-CO Covered
Prove geometric theorems.

Prove theorems about triangles, including that the measures of interior angles of a triangle sum to 180 degrees, that base angles of isosceles triangles are congruent, that the segment joining midpoints of two sides of a triangle is parallel to the third side and half the length, and that the medians of a triangle meet at a point.

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Sample G-CO.C.10 problems

14 problem types align to this standard. Every worksheet is a fresh set with complete step-by-step solutions.

Sample practice problems for Common Core G-CO.C.10

Other High School standards with practice

  • A-SSE.A.1 Interpret the structure of expressions.
  • A-SSE.A.2 Interpret the structure of expressions.
  • A-SSE.B.3 Write expressions in equivalent forms to solve problems.
  • A-SSE.B.4 Write expressions in equivalent forms to solve problems.
  • A-APR.A.1 Perform arithmetic operations on polynomials.
  • A-APR.B.2 Understand the relationship between zeros and factors of polynomials.
  • A-APR.B.3 Understand the relationship between zeros and factors of polynomials.
  • A-APR.C.4 Use polynomial identities to solve problems.
  • A-APR.C.5 Use polynomial identities to solve problems.