Q-The cast of 3 pens and copild is ₹110 represent this sitnation withe a linear equation in two variables also find the cost of one copy if one per cost ₹20
Q- In triangle DEF,A, B and C are mid points of sides EF,DF and DE respectively.If ar (triangleBAF)=24 cm 2means square ,find ar (AFBC)
Q- prove that if two chords of a circle bisect each other then the two chords are diameter of the given circle
Q-Draw a line segmen SR of length 10 cm divide it into 4 equal parts using compass and ruler
Q-construct triangl ABC surch that BC=3.2cm angle B=45° and AC-AB=2.1cm.
Q-AB and CD are two parallel chords of a circle such that lengths of AB and CD are 10cm and 24cm resputively.If the chord are on opposite sides of the center and the distance between then is17cm find the radius of the circle.