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3 years ago

Plz help(by solving for x)

Mathematics

1 answer:

Alex Ar [27]3 years ago

4 0

Answer:

x = 5.85641

Step-by-step explanation:

Step 1: Find missing leg of left triangle

sin30° = x/16

16sin30° = x

x = 8

Step 2: Find missing leg of right triangle

8² + b² = 16²

b² = 192

b = 8√3

Step 3: Find x by taking the difference

8√3 - 8 = 5.85641

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Answer:

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Like terms :-

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They are similar.

Terms :-

-8x²
-10x

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Hope this helps, thank you :) !!

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Step-by-step explanation:

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3 years ago

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3 years ago

A paperweight is shaped like a triangular pyramid. The base is an equilateral triangle. Find the surface area of the paperweight

stich3 [128]

Answer:

The surface area of the paperweight is $SA=8.3\ in^2$

Step-by-step explanation:

we know that

The surface area of the triangular prism is equal to the area of its triangular base plus the area of its three triangular lateral faces

Find the area of its triangular base

$SA=\frac{1}{2}(2)(1.7)$

$SA=1.7\ in^2$

Find the area of its three triangular lateral faces

$SA=3[\frac{1}{2}(2)(2.2)]$

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Adds the areas

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