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mr_godi [17]
2 years ago
8

PLS HELP I HAVE NO MORE POINTS I NEED GOOD GRADES OR MY DAD WILL KILL ME

Mathematics
1 answer:
inessss [21]2 years ago
3 0

read the following

<em><u>All parallel sides are equal</u></em>

Parallelogram A:

Breadth=6+3=9cm

height=6cm

Area:L X B

Area=54cm²

Parallelogram B:

Beeadth=8+2=10cm

height=5cm

Area=L X B

Area=50cm²

Parallelogram C:

Breadth=7+5=12cm

height=8cm

Area=L X B

Area=96cm²

Parallelogram D:

Breadth=14cm

height=7cm

Area=L X B

Area=98cm²

Hope your dad doesnt kill you :)

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I need help with these two please :’)
tatiyna

Answer:

59)

Therefore the height of the pyramid is 14 meter.

60)

Therefore the Diameter of Cone is 17.32 cm.

Step-by-step explanation:

59 )

Given:

Shape is Rectangular Pyramid,

Length = 3 meter

Width = 8 meter

Volume of Rectangular Pyramid = 112 cubic meter

To Find:

Height:

Solution:

We Know,

\textrm{Volume of Rectangular Pyramid}=\frac{1}{3}(Length\times Width\times Height)

Substituting the given values we have

112=\frac{1}{3}(3\times 8\times Height)\\ \\\therefore Height=\frac{336}{24}\\\\\therefore Height=14\ meter\\

Therefore the height of the pyramid is 14 meter.

60 )

Thee shape is of Cone

Given:

Height= 5 cm

Volume of cone = 125 π cm³

To Find:

Diameter of a cone = d = ?

Solution:

We know,

\textrm{Volume of cone}=\frac{1}{12}\pi (Diameter) ^{2}\times Height

Substituting the given values we have

125\pi =\frac{1}{12}\pi  d^{2}\times 5\\ \\d^{2}=25\times 12\\  \\d^{2}=300\\\\d=17.32\\   \therefore Diameter = 17.32\ cm

Therefore the Diameter of Cone is 17.32 cm.

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