By OnlineEdumath   |  25th August, 2025
Calculating BD/AC. Let 1 unit be AB = AD. a = 180-30-30 a = 120° a is angle BAD. b² = 2-2cos120 b = √(2-2cos120) b = √(3) units. b is length BD. c = 180-15-45 c = 120° c is angle...
By OnlineEdumath   |  24th August, 2025
Calculating x, the required angle. Let the side length of the regular pentagon be 1 unit. a = ⅕*180(5-2) a = 108° a is the single interior angle of the regular pentagon. b² = 1²+0.5²-2*1*...
By OnlineEdumath   |  24th August, 2025
Calculating shaded yellow area. Let x be the side length of the ascribed regular decagon. Let y be the side length of the two equal inscribed regular pentagons. a = ⅒*180(10-2) a = 144°...
Mathematics Question and Solution
By OnlineEdumath   |  24th August, 2025
Calculating Angle Alpha. Let 2 units be the radius of the half circle. sina = 1/2 a = 30° b = 90-a b = 60° It implies, the required angle alpha is, let it be c. c = 45+b c = 45+60...
By OnlineEdumath   |  24th August, 2025
Calculating the required area. Let it be y. a = x cm² b = (50-x) cm² c = 60-b c = 60-(50-x) c = (10+x) cm² d = 40-c d = 40-(10+x) d = (30-x) cm² It implies; y = d+x y = (3...
By OnlineEdumath   |  24th August, 2025
Calculating y, the red required angle. It implies; ½*πr² = 32π r = √(64) r = 8 cm. r is the radius of the half circle. 2r = 16 cm, the diameter of the half circle. Let x be the radiu...
By OnlineEdumath   |  23rd August, 2025
Calculating Area Shaded. Let r be the radius of the ascribed half circle. Therefore; ½(r) is the radius of the inscribed circle and also the height of the shaded area. a = r+½(r) a = ½...
By OnlineEdumath   |  23rd August, 2025
Calculating Area Blue Inscribed Circle. Let it's radius be x. a = ½(16)+x a = (8+x) units. b = (8-x) units. c = (16-x) units. It implies; d²+x² = (16-x)² d² = 256-32x+x²-x² d =...
By OnlineEdumath   |  23rd August, 2025
Sir Mike Ambrose is the author of the question. Calculating Exactly Green Area. Let x be the side length of each of the three inscribed congruent squares. a² = 2x² a = √(2)x a is the diago...
By OnlineEdumath   |  22nd August, 2025
Calculating FB. a = 8+9 a = 17 units. b = 9-8 b = 1 unit. c² = 17²+1² c = √(290) units. c = 17.0293863659 units. c is DE. 2d² = c² 2d² = √(290)² d² = 145 d = √(145) units. d =...
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