We are Certified Educational Services Business Institution in Nigeria.
Let the side of the regular pentagon be 1 unit.
Notice;
The regular pentagon side is equal the regular heptagon side.
a = ⅐(180*5)
a = ⅐(900)°, the single interior angle of the regular heptagon....
Let the side of the regular pentagon be 1 unit.
a² = 2-2cos108
a = 1.61803398875 units.
sin30 = b/0.5
b = 0.25 unit.
c = 2b
c = 0.5 unit.
Where c is the inscribed square side.
Area Square is;...
Let the radius of the circle be a.
a² = 2²+4²
a² = 20
a = 2√(5) cm.
Area Blue is;
Area half circle with radius 2√(5) cm - Area red rectangle with length and base 6 cm and 2 cm respectively.
= ½...
Let the four congruent lengths be 1 unit each.
a² = 2-2cos38
a = 0.65113630891 units.
b = ½(180-38)
b = 71°
c = 60+71
c = 131°
d² = 0.65113630891²+1²-2*0.65113630891cos131
d = 1.50941916044 unit...
Let a be the radius of the inscribed half circle.
tanb = (3/4)
b = atan(3/4)°
tan(atan(3/4)) = a/(4-a)
(3/4) = a/(4-a)
4a = 12-3a
7a = 12
a = (12/7) units.
c² = 3²+4²
c = √(25)
c = 5 units.
sin(...
a = 360-140-80
a = 140°
cos20 = 1/b
b = 1.06417777248 units.
(1.06417777248/sin30) = (c/sin70)
c = 2 units.
d² = 4+1.064177772482²-4*1.06417777248cos140
d = 2.89711998506 units.
(2.89711998506/...
a² =2*12²
a = 12√(2) cm.
a = AC.
12b+12b+12√(2)b = 12*12
b = 144/(24+12√(2))
b = 12-6√(2) cm.
b = 3.51471862576 cm.
b = radius of the inscribed circle.
BF = ½(12√(2))
BF = 6√(2) cm.
c² = (6√(2))²...
Let the side of the regular decagon which is equal the side of the regular octagon be 1 unit.
Calculating Area Gold.
a = ⅛(180*6)
a = 135°
b = ½(360-2(135))
b = 45°
sin45 = c/1
c = ½(√(2)) units...
Our certified, experienced, resilient, productive and committed Math Educators will be glad to be at your service.
We make teaching and learning Mathematics fun for learners, we expose the simplicit...
