The diagram shows a rectangle, ABDE, and two congruent triangles, AFE and BCD.
area of rectangle ABDE = area of triangle AFE + area of triangle BCD
AB: AE = 1:3
Work out the length of AE.
In all working, let the length of AE be a cm.

AB = CD

Step-by-step explanation:

mimi8= uhu

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing

step-by-step explanation:

c: lkllmn.

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