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On a piece of paper, use a protractor to construct right triangle DEF with DE=4 in. , m∠D=90° , and m∠E=45° .

What statement is true about the triangle?

DF=4 in.
EF=4 in.
DF=2 in.
EF=7 in.

User Jannie
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2 Answers

6 votes

Answer:

It is A i had this question and it was right

Explanation:

User Nelfo
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2 votes

Answer: DF = 4 in

Explanation:

Here in triangle DEF,

In which DE = 4,
m\angle D=90^(\circ) , and
m\angle E=45^\circ}

Since,
tan E = (FD)/(DE)


tan 45^(\circ) = (FD)/(DE)


1 = (FD)/(4)


FD = 4

Thus, first option is correct.

On a piece of paper, use a protractor to construct right triangle DEF with DE=4 in-example-1
User Cory Madden
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