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viktelen [127]
3 years ago
11

Please help with math homework

Mathematics
2 answers:
vivado [14]3 years ago
7 0

Answer:

A, E

Step-by-step explanation:

As we know nothing of the distance between E and F, (could be anything from 0 to 2R) only statements referring OLNY to items within the envelope of arcs DCE and FCG is valid.

Agata [3.3K]3 years ago
3 0

Answer:

B,C,D,and E

Step-by-step explanation:

Since the triangles are equilateral and all of their sides and angles are the same, answers B,C,D,and E would all apply.

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Answer:

Angle CAD is 44 degrees

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Explanation:

29. Triangle ADC is an isosceles triangle because it has two equal sides.

If segments AD and DC are congruent, then segment AC is the base and the base angles of an isosceles triangle are equal.

Let x be angle CAD.

Let's go ahead x;

\begin{gathered} 92+x+x=180\text{ (sum of angles in a triangle)} \\ 92+2x=180 \\ 2x=180-92 \\ 2x=88 \\ x=\frac{88}{2} \\ \therefore x=44^{\circ} \end{gathered}

Therefore, measure of angle CAD is 44 degrees.

30. Measure of angle ACD is 44 degrees (Base angles of an isosceles triangle are equal)

31. Let angle ACB be y,

Let's go ahead and find measure of angle ACB;

\begin{gathered} 44+y=180\text{     (angles on a straight line)} \\ y=180-44 \\ \therefore y=136^{\circ} \end{gathered}

So measure of angle ACB is 136 degrees.

32. Let angle ABC be z.

Triangle ACB is also an isosceles triangle so the base angles are the same.

Let's go ahead and find z;

\begin{gathered} 136+z+z=180_{}\text{    (sum of angles in a triangle)} \\ 138+2z=180 \\ 2z=180-136 \\ 2z=44 \\ z=\frac{44}{2} \\ \therefore z=22^{\circ} \end{gathered}

So measure of angle ABC is 22 degrees.

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