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Perimeter, area, volume and circles · ACT · Courselo

Courselo

ACT
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Math: geometry

Perimeter, area, volume and circles

Math: geometry · Lesson 2 of 4

Lesson 2 of 4

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Unit 7

Math: geometry

4 lessons · 5 h 40 min of study

Angles, triangles and polygons1 h 30 min of study
Perimeter, area, volume and circlesReading · 0%
Coordinate geometry and conic sections1 h 20 min of study
Right-triangle trigonometry and solving triangles1 h 20 min of study

This unit is ≈6% of the ACT, across 4 lessons. Full syllabus

Lesson 2 of 4 · Math: geometry

Perimeter, area, volume and circles

3 quick checks≈2% of the testCore: Core: tested on most papers

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By the end you’ll be able to

Compute the perimeter and area of composite and shaded plane figures
Compute the volume and surface area of prisms, cylinders, cones, pyramids and spheres, recalling the standard formulas without a reference sheet
Use circle properties: circumference, arc length, sector area, and central and inscribed angles, tangents and chords

Practice this skill

Adaptive questions on perimeter, area, volume and circles.

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0% read

Determine how lengths, areas and volumes change when a figure is scaled

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