Question

MATHEMATICS Class
7. HOTS If every side of a triangle is doubled.
then find the percentage increase in the
area of the triangle.
8. HOTS The dimensions of a rectangle ABCD
are 51 cm x 25 cm. A trapezium PBCQ with
its parallel sides QC and PB in the ratio 9:&
is cut-off from the rectangle as shown in
figure. If the area of the trapezium PBCQ is
th part of the area of the rectangle, then find
the lengths of QC and PB NCERT Exemplar
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Answer 1

7) 4%।..,,,,,,,,,,,,,,

Answer 2

(-3)*(-3)*(-3)*........6 times