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svlad2 [7]
3 years ago
13

Given triangle ABC is similar to triangle DEC. Could you use the proportion 9/10=8.75/EC to determine the measure of EC? If yes,

solve for EC. If no, rewrite the proportion and then solve for EC.

Mathematics
1 answer:
matrenka [14]3 years ago
6 0

Answer:

9.72 approximately

Step-by-step explanation:

Given triangles are similar, to solve 9/10=8.75/EC we cross multiply expressions:

9EC = 87.5 now divide both sides by 9

EC = 9.72 approximately

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Svetradugi [14.3K]

Answer:

0.00604=6.04×10^(-3)

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7 0
4 years ago
Image attached. Geometry: finding angles
miv72 [106K]

Answer:

28 degrees

Step-by-step explanation:

Because a triangle equals 180, you can subtract 90 and 34 from triangle ABE to leave you with 56 degrees for angle B.

Since CBA is a straigth line with 180 degrees, you can subtract 56 to end up with 124 degrees for angle CBE.

Since line BD bisects angle EBC (splits in half), you can divide the 124 degrees into 62 degrees.

Now that we know angle CBE equals 62 degrees, we can add the 90 degrees and subtract them from the 180 degrees of the triangle.

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4 0
4 years ago
In △ABC, the coordinates of vertices A and B are A(1,−1) and B(3,2).
elena55 [62]

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6 0
3 years ago
Read 2 more answers
A car is driving at a speed of 60 mi/h. What is the speed of the car in feet per minute?
Inga [223]
1mile=5280ft\\\\1h=60min\\\\60\ \frac{mi}{h}=60\cdot\frac{5280}{60}\ \frac{ft}{min}=5280\ ft/min
3 0
3 years ago
What is the difference between an inequality and an equation?​
pshichka [43]

Hello there here is your answer!

An equation is a expression that contains an equals sign. (=) An inequality is a expression that contains inequality signs ().

Hope this helps! If so, mark me brainliest please!

5 0
3 years ago
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