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adoni [48]
3 years ago
13

Use the figure to find the measure of angle 2.

Mathematics
1 answer:
ale4655 [162]3 years ago
7 0

Answer:

∠ 2 = 70°

Step-by-step explanation:

110° and ∠ 1 are corresponding angles and congruent, thus

∠ 1 = 110°

∠ 1 and ∠ 2 are adjacent angles and are supplementary, thus

∠ 2 = 180° - ∠ 1 = 180° - 110° = 70°

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The ratio of the perimeters of two similar triangles is 4:3. What are the areas of these triangles if the sum of their areas is
emmasim [6.3K]

Answer:

the areas of these triangles are 83.2cm² and 46.8cm²

Step-by-step explanation:

1. If the triangles are similar and the ratio of the perimeter ois 4:3, then the areas are in the following ratio:

4²:3²

 16:9                                                                      

2. The sum of their areas is 65 cm², then, you can calculate the area of the larger triangle as following:

130(16/16+9)

130(0.64)

=83.2cm²

3. The area of the smaller triangle is:

130(9/16+9)

130(0.36)

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<u>Hope this help</u>s

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3 years ago
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slamgirl [31]

Answer:

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Step-by-step explanation:

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2)Find the length.

3)Find the width.

4)Find the height.

5)Multiply the length, the width, and the height.

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8 0
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Answer:

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Step-by-step explanation:

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