Question

please help me in this homework , in this points choose the correct answers please is necessary to have the procedure please help me

Answer 1

40) Area of parallelogram = base×height

= 15×5 = 75cm²

41) Area of rhombus = ½d1d2

where d1 and d2 are the length of the diagonals

d2 = 2×156/13 = 24cm

43) Distance between the parallel sides means the perpendicular distance between them that is the height

Area = ½h(a+b)

180 = ½h(28+12) = ½h×40

180 = 20h

h = 9cm

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Answer 2

40.

area = (1/2)*(sum of parallel sides*altitude)

=(1/2)*(15+15)*(5)

=150/2

=75 cm sq

41. other diagonal is 24 cm.

42.

ar= (1/2)*(sum of parallel sides*dist b/w sides)

180=(1/2)*(28+12)*(s)

s = 180÷20

s = 9 cm