Game Roomby Lauren Fulton Math

GEO-G.CO.10 — Triangle Theorems Practice

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AI-generated practice for GEO-G.CO.10 — Prove and apply theorems about triangles.; teacher-reviewed

  • 12 questions
  • Typed answers
  • Updated Oct 2026

The first 4 questions are shown here.

  1. In a triangle, two interior angles measure 50° and 60°. What is the measure of the third angle?

    Typed answer

  2. An isosceles triangle has a vertex angle of 40°. What is the measure of each base angle?

    Typed answer

  3. A triangle has two remote interior angles of 35° and 85°. Using the Exterior Angle Theorem, what is the measure of the exterior angle at the third vertex?

    Typed answer

  4. The base of a triangle is 18 cm long. What is the length of the midsegment parallel to that base?

    Typed answer

+ 5 more questions

Questions 5 to 12 and all 12 answers are not on this page, so students cannot search for them. They come with the bank the moment it is in your account.

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GEO-G.CO.10 — Triangle Theorems Practice is a ready-made grade 10 mixed math review question bank you can play as a jeopardy-style quiz game on your board, or as a solo practice game on student devices. If you are looking for Kahoot alternatives, Blooket alternatives or Gimkit alternatives for mixed math review review, you can create a free account and play this bank with your class today -- no student accounts, no app to install.

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The standard

New YorkGEO-G.CO.10Grade 10
Prove and apply theorems about triangles.

All GEO-G.CO.10 banks

Subject: Math. Topic: Mixed math review. Grade: Grade 10.

Questions teachers ask

Are the answers included?

Yes. They are not on this page so students cannot look them up. They come with the bank when you add it to your account.

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No. Students join with your teacher code and a first name. There are no student emails or passwords.

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