1.A triange of height 4cm and base 6cm is cut and rearranged to form a trapezium as shown in the following figure. Find the lower base of the trapezium.
2.the area of a parallelogram is equal to the area of a triange. the height of the triange is 5 cm . if the two figures have the same base , find the hieght of the parallelogram.
let the height of parallelogram be (h) cm and their bases be (b) cm.
唔該sai~~~~~~~~~~~~~