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1. A party banner contains 21 colourful equilateral triangles. In the middle of the banner is the biggest triangle whose base is 300 mm long. This middle triangle has on it's left a series of triangles whose base are each successively 25 mm shorter, and on its right a series of triangle just like that on its left. If Rindy wants to put the banner in the left and right side of the party room, then is it true that the total length of all the banner is 7,1 m? 300 0mm 250 mm 275 mm 275 mm 250 mm 21 triangles

1. A party banner contains 21 colourful equilateral triangles. In the middle of the banner is the biggest triangle whose base is 300 mm long. This middle triangle has on it's left a series of triangles whose base are each successively 25 mm shorter, and on its right a series of triangle just like that on its left. If Rindy wants to put the banner in the left and right side of the party room, then is it true that the total length of all the banner is 7,1 m? 300 0mm 250 mm 275 mm 275 mm 250 mm 21 triangles

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.3: Geometric Sequences
Problem 75E
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Please helppp!!! It's should not about statistics, but please helppp meee
SOAL 1* 1. A party banner contains 21 colourful equilateral triangles. In the middle of the banner is the biggest triangle whose base is 300 mm long. This middle triangle has on it's left a series of triangles whose base are each successively 25 mm shorter, and on its right a series of triangle just like that on its left If Rindy wants to put the banner in the left and right side of the party room, then is it true that the total length of all the banner is 7,1 m? 250 mm 27S mm 275 m 250 21 triangles o Tambahkan file
Transcribed Image Text:SOAL 1* 1. A party banner contains 21 colourful equilateral triangles. In the middle of the banner is the biggest triangle whose base is 300 mm long. This middle triangle has on it's left a series of triangles whose base are each successively 25 mm shorter, and on its right a series of triangle just like that on its left If Rindy wants to put the banner in the left and right side of the party room, then is it true that the total length of all the banner is 7,1 m? 250 mm 27S mm 275 m 250 21 triangles o Tambahkan file
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