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Mathematics in Daily Life

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Mathematics in Daily Life. 17’th group. Siti Zubaidah Purwaning Arum (123174015) Fevri Dwi Cahyani (123174. VIDEO. National Monument ( MONAS ). Monas. Tower or Monument Height of Monas The Construction of Monas. The Construction Was Built By 3 Steps :.

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Mathematics in Daily Life

17’th group

Siti Zubaidah Purwaning Arum

(123174015)

• Fevri Dwi Cahyani

(123174

Monas
• Tower or Monument
• Height of Monas
• The Construction of Monas
The Construction Was Built By 3 Steps :
• First, on 1961/1962 – 1964/1965.
• The second step was on 1966 – 1968.
• The fanil step was 1969 – 1967.
The parts of monas

A

Puncak monas

B

The tower of monas

Pelataran bawah

C

Pyramid

A three dimensional figure that the base is quadrilateral and the lateral face is triangle

The surface area’s formula of pyramid

Luas Permukaan = Luas Alas + 4 ( Luas Segitiga)

Luas Permukaan = ( S x S ) + 4 ( ½ x a x t)

pyramid

5 m

T

H

G

93 m

P

5 m

F

E

D

c

O

6 m

A

B

6 m

The surface area of monas’s tower

Surface area big pyramid – surface area small pyramid

V. Big pyramid= VA

V. Small pyramid= VB

V. pyramid = VA – VB

=[1/3(L.alas)A x t A] – [(1/3L.alas) B x t B

=[1/3(s Ax s A x t A) – 1/3(s B x s B x t B)]

=1/3[((s A) 2 x t A) – ((s B) 2 x t B)]

T

L = La x 4(L. )

H

G

P

The base area

F

E

c

O

A

B

Berdasarkan rumus diatas, maka volume tugu monas dapat dihitung sebagai berikut :
• V. pyramid

=1/3 [((s A) 2 x t A) – ((s B) 2 x t B)]

=1/3 [((6) 2 x 110) – ((5) 2 x 17)]

=1/3[(36 x 110) –(25 x 17)]

=1/3 [3960 – 425]

=1/3 x 3535 m 3

=1178.3 m 3

Question

BerapakahLuasPermukaandan Volume dari Limas disamping ?