Circles: Arc Length and Perimeter of a Sector

Grade 8 · Mathematics · Measurements (Circles)
Circumference C = 2πr. Arc length = (θ/360) x 2πr. Perimeter of a sector = arc length + 2r. Use π = 22/7 or 3.14.
Free for every Kenyan learner · M.T.T.I Eldoret

← More free lessons on Masomotele