GRADE 10 · GEOMETRY SKILLS
Math course practice for Grade 10
Choose Algebra 1 or Geometry by course enrollment. FAST Math covers grades 3–8.
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Let your child show a method before checking the answer. When something goes wrong, name the step to revisit rather than repeating the whole worksheet.
This is one EOC course example, not a math course assigned to this school grade. Choose Algebra 1 or Geometry by enrollment in your profile. FAST Mathematics ends at Grade 8.
Choose Algebra 1 EOC → · Choose Geometry EOC →Try an example together
A sector has central angle 90° in a circle of radius 6 centimeters. What is its area?
- 3π square centimeters
- 18π square centimeters
- 36π square centimeters
- 9π square centimeters
Answer and explanation
9π square centimeters
A 90° sector is 1/4 of the circle. Its area is (1/4)π × 6² = 9π.
Intended benchmark: MA.912.GR.6.4. A single example does not establish mastery or complete benchmark coverage.
See what to practice next. Answer six questions and get a free report on the sampled skills.
Choose the math course your child takes.
No account, email, or payment card needed. This small sample does not predict an official test score.
Want ongoing practice? Start a free month →Turn the result into this week’s practice
The free report names the sampled skills. Save it to a verified parent account, create the weekly plan, and use short practice steps with explanations and fresh questions. Parent reports separate saved practice evidence from official school results.
One child: $14.99. Up to five: $29.99. Paid access through June 15, 2027, with no automatic renewal. A free-month option is also available.
Review process and current coverage limitsSee what to practice next. Answer six questions and get a free report on the sampled skills.
Choose the math course your child takes.
No account, email, or payment card needed. This small sample does not predict an official test score.
Want ongoing practice? Start a free month →