![Mathematics](/tpl/images/cats/mat.png)
Persevere with Problems Find the area of the shaded region in each figure. Round to the nearest tenth. 16. 18. 8 m 3.5 cm 12 m 5.25 in 12.5 cm
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square pyramid
step-by-step explanation:
square prism looks like nothing like that
triangular prism has a rectangular base instead of a square base
tetrahedron has a triangular base
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![Answer](/tpl/images/cats/otvet.png)
c. x=2.4cm
step-by-step explanation:
similar triangles are triangles which have the same shape but not the same size. this means their angle measures are equal but their side lengths are not instead they are proportional. to solve, we will set up a proportion and solve.
a proportion is two equal ratios set equal to each other. we form the ratios by finding corresponding sides (sides which match to each other on both triangles by their position). out ratios will be one side of the small triangle over the corresponding side on the big triangle as shown below:
.
to solve the proportion, we'll cross multiply by multiplying numerator with denominator across the equal sign.
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