Answer: The required height, h = 8 cm
Answer: The Area Of The Green Area = 14 u²
Answer: X = (6√10)/5 units
Answer: (i) h = (3√2431)/80 units
(ii) R = (80√2431)/2431 units
Answer: The green area = (64√5)/15 cm²
Answer: The blue area = 6 u²
Answer: The blue area = 10(5)¹ᐟ² u²
Answer: (i) R = [6(13)¹ᐟ²]/13 cm
(ii) Area Of ABCD = 24 cm²
Answer: R = 2.7452 units to 4 d.p
Answer: |AD| = 4 units
Answer: X = 4.5714 units to 4 d.p
Answer: y = 39/5 cm OR 7.8 cm
Answer:
(i) The length of the rectangle,
L = [9 + 2√(12 + 7(6)¹ᐟ²] units OR 19.7975 units to 4 d,p
(ii) The Area Of The Pink Circle = π[7 + 2√6] u²
OR 37.3817 u² to 4 d.p
Answer: Blue Area = 0.635 cm² to 3 d.p
Answer: (i) The radius, R of the circle equals to 10 cm
Answer: (i) The radius, R of the circle equals to 15/8 units.
(ii) < θ = 31.72° to 2 d.p
Answer: The radius, R of the semi-circle equals to 8 units.
Answer: (1) the diameter of the circle = 5 cm (2) the perimeter of the blue square = 16 cm
Answer: (1) x = 4 units and (2) Area of the circle = 16π cm²
Answer: |QG| = 22.24 cm to 2 decimal places.
Answer: r = 4[1 + (7) ¹ᐟ²] cm
(1) a = 5.06 cm to 2 d.p
(ii) semi-circle area = 103.88 cm²
The correct option is C, 6.5 units
(i) |PQ| = 4.93 cm
(ii) |AP| = 2.02 cm all to 2 decimal places.
Option C is correct. Radius, R = 2 units
(i) Radius, R = 13 /√2
(ii) x = 8 cm
55.82 cm to 2 decimal places.
B is the correct option.
(i) 7.42 cm to 2 d.p
(ii) 112.98° t0 1 d.p
D is the correct option.
(i) <TSR = 124° and (ii) <PTR = 46°
Answers: (i) <ACB = 40° and (ii) Radius, of the larger circle, R = 11.2 cm to 2 d.p
Answer: (i) x = √2/2 unit
Answer: (i) x = √2/2 unit
Answer: (i) The radius, r of the red circle = 4 units (ii) Area of the circle not enclose by the cone = A = 169π /4 u²
Answer: 
Answer: (i) The radius, R of the circle = 3√3 cm (ii) Area of the circle not enclose by the cone = A = (27(4π – 3√3)) /4 cm²
Answer: Area of the triangle = (243/2) cm²
Answer: Blue Area = 36.0253 cm² to 4 d.p
Answer: (i) Radius , R =11.25 cm (ii) Area H = 56.64 cm² to 2 d.p
Answer: (i) radius , r =1 m (ii) the time, t = 8 seconds.
Answer: (i) |BC| = 2√30 units (ii) Area of one of the triangles = 40√3 square units
Answer: (i) Radius, R = 2.86 cm ( 2 d.p) (ii) Area of red circle = 25.74 ㎠ ( 2 d.p)
Answer: (i) Radius, R = 4√2 cm (ii) Area of rectangle BCXY = 256 ㎠
Answer: (i) Radius, R = 25/2 cm OR 12.5 cm
Answer: (i) Radius, R = 18√2 cm
(ii) Blue Area = 6(108 – 31π) ㎠
Answer: (i) Radius, R = 4(2 -√2) cm
(ii) Blue Area = 32 – 32π(3 – 2√2) ㎠
Answer: (i) Required radius, r = (12/π) cm and (ii) Perimeter of small inscribed circle, P = 24cm
Answer: |CB| = 12.7 cm to 3 s.f
Answers: (i) Height of the triangle, h = 18 cm (ii) Area of the rectangle, A = 216√2 ㎠ (iii) Perimeter of the circle, P = 2π (6√3 +3√6 – 9) cm OR 54.9 cm to 1 d.p if π = 3.14
Answers: (i) y = 150 (ii) x = 3.77cm to 2 d.p
Answers: (i) Radius, R of Blue circle = 13.73 cm (ii) Area of the Blue Circle, A = 591.93 ㎠
Answers: (i) Blue Area = 128(2π -3√3) ㎠
Answers: (i) Area of the Quadrilateral = 939 ㎠ to 3 s.f
Answers: (i) Area of the triangle, A = 3√3 ㎠ (ii) Radius, R of the circle, R = √(10 + 4√3) cm or 4.114 cm to 3 d.p
Answers: (i) Required area of one pink polygon, A = 12.728 ㎠ (to 3 d.p) (ii) the side length of blue equilateral triangle, q = [(2√96)/3] cm (iii) the circumference, C = 12π√2 cm. (iv) the perimeter of the black square, p = 48 cm. (v) the side length of regular blue polygon, x = 6√2 cm
Answers: (i) Circumference Of A = 10π cm. (ii) Circle Area, B = 100π ㎠. (iii) Hexagon Area, C = 150√3 ㎠ .(iv) Length Of Square, D = 10√2 cm. (v) The height of the triangle, E = 10√3 cm
Answers: x = 7
Answers: <x = 34.6° to 1 d.p
Answers: Radius, r = 0.5098cm and Area = 0.8165cm² ( All to 4 d.p)
Answers: 102°
Answer: The Radius , R = 4√2 Or 5.6569 units.
Answer: 72/(4 +√7) Or 10.834 units to 3 d.p
Answer: <BCD = 55°
Answer: x = 7cm
Answer: Red Line, |HQ| = 3 units.
Answer: 26.6694cm2 OR (300√3)/(6+7√3) cm2
Answer: Radius, r = √7 units
Answer: Square Area = 96 cm2
Answer : Radius, R = 1 unit and Area = π cm2
Answer: x = 15°
Answer: tan(α) = 1.6185
Answer: |CD| = 17 units
Answer: <y = 75°
Answer: <x = 125°
Answer: 400π ㎠
Answer: 400π ㎠
Answer: 30 square units
Answer: Radius, R = 15.312cm and <H = 36°