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JEAN E. KILMER, Triangles of Equal Area and Perimeter and Inscribed Circles, The Mathematics Teacher, Vol. 81, No. 1 (JANUARY 1988), pp. 65-70 ...
The perimeter and area of triangles, quadrilaterals (rectangle, parallelogram, rhombus, kite and square), circles, arcs, sectors and composite shapes can all be calculated using relevant formulae.
In this National 4 Lifeskills Maths study guide, you can revise how to find the perimeter and area of triangles, quadrilaterals (rectangle, parallelogram, rhombus, kite and square), circles, arcs ...
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