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3 years ago

Plz help im an idiot

Mathematics

2 answers:

Kruka [31]3 years ago

6 0

Answer:

3- 42, 4- 137

Step-by-step explanation:

<1+<2+x=180

93+45+x=180

x=180-93-45

x=42

<1+<2+<3=180

43+106+<3=180

<3=180-106-43

<3=31

<3+x=180

43+x=180

x=180-43

x=137

MrMuchimi3 years ago

5 0

Answer:

3.)138

4.) 149

Step-by-step explanation:

you add the two inside measures together.

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Perimeter of this square :

$= \tt4 \times side$

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Perimeter of this square :

$= \tt 4 \times side$

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Thus, the perimeter of this square = 24 cm

Ratio of the perimeters of both the squares :

$= \tt16 : 24$

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$= \tt side \times side$

$= \tt 4 \times 4$

$= \tt {16cm}^{2}$

Thus, the area of the first square = 16 cm²

Length of side of the second sqaure = 6 cm

Area of this square :

$= \tt \: side \times side$

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$= \tt{36cm}^{2}$

Thus, the area of the second square = 36 cm²

Ratio of the areas of the two squares :

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