Three bells ring at an interval of 4,7and14 minutes. When all 3🔔 will ring together after 6am? Скачать
#Prove:Tangent at the mid-point of an arc of a circle is parallel to the chord at end points of arc. Скачать
#If an isosceles triangle with AB = AC= 6cm is inscribed in a circle,find the area of the triangle. Скачать
A circular park is surrounded by road 21m wide.Find the area of the road,if parks radius 105m Скачать