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Calculating Area of the Red Rectangle.Let x and y be the length and width of the red rectangle respectively.tana = 4/3a = atan(4/3)°b = 90-ab = atan(3/4)°c = ½(180-a)c = ½(180-atan(4/3))°d = ½(180-b)...
Calculating Area S.Let x be the radius of the quarter circle.a²+24² = (2x)²a² = 4x²-576a = √(4x²-576) units.b = a-7b = (√(4x²-576)-7) units.Calculating x.(√(4x²-576)-7) ~ 2xx ~ √(4x²-576)Cross Multip...
Calculating R, radius of the red half circle.a = ½(5+24+22)a = ½(51)a = 25.5 units.a is the radius of the big half circle.b = ½(24)b = 12 units.c²+12² = R²c = √(R²-144) units.d = 25.5-5-12d = 8.5 uni...
Calculating r, radius of the inscribed circle.Notice.125π cm² is the total area of the five congruent green circles.Calculating their radius, let it be x.5*πx² = 125πx² = 25x = √(25)x = 5 cm.Again, x...
Calculating length h.Let x be the radius of the half circle.x² = 4²+3²x = √(25)x = 5 cm.Again, x is the radius of the half circle.4² = y²+a²a² = 16-y²a = √(16-y²) cm.a is half length h.b = (5-y) cm....
