3 years ago

Find DF D 20 E 10 F DF =

Mathematics

2 answers:

vichka [17]3 years ago

8 0

Answer:

Step-by-step explanation:

it is right

erastovalidia [21]3 years ago

5 0

It’s 30!

bc DE is 20 and EF is 10, if DF is the entire segment, then you would add 20 & 10, to get 30.

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PLEASE HELP !

Jobisdone [24]

Hoi! :3

Frequency is the amount of times a certain data value appears in a data set, so we need to look for the data value that appears the highest amount of times. Since the correct answer is not explicitly stated, then we need to pick the answer choice that makes the most sense.

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8 0

4 years ago

Read 2 more answers

If a = 20 mm, b = 12 mm, and m∠C = 80°, what is the approximate area of ABC?

Lana71 [14]

Answer:

118.18 mm^2

Step-by-step explanation:

Sides <em>a</em> and <em>b</em> form angle C, so the information given is a side-angle-side (SAS) problem.

Use the formula $A=\frac{1}{2}ab\sin{C}$ .