31. Priya participated in a drawing competition. She is required to make a design on a rectangular
sheet of dimensions 50 cm x 70 cm. In the design she made 8 triangles, each of sides 26 cm, 12
cm and 25 cm as shown in the figure. Find the total area of the design and the remaining area of
the tile.
17 cm
25 cm
50 cm
26 cm
-70 cm
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first the area of one triangle is 204sqcm and as there are 8 triangles then 204 *8=1632 and as the area of the sheet is l*b then 50 *70=3500
then the area of the design is area of the sheet - the total area of the 8 triangles
then 3500-1632 =1868sq cm
Step-by-step explanation:
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