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2 years ago

I need to simplfiy the answer can someone help me with the question

Mathematics

1 answer:

erica [24]2 years ago

7 0

Answer:

Step-by-step explanation:

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Determine the unknown angle measures, to the nearest degree, in the diagram provided.

serg [7]

Answer:

a is 53.8°, and b is 36.2°

Step-by-step explanation:

Using sine trig rule:

${ \boxed{ \bf{ \sin(b) = \frac{opposite}{hypotenuse} }}}$

${ \tt{ \sin(b) = \frac{78}{132} }} \\ \\ { \tt{b = { \sin }^{ - 1}( \frac{78}{132} ) }} \\ \\ { \tt{b = 36.2 \degree}}$

Summation of angles of triangle:

${ \tt{a + b + 90 \degree = 180 \degree}} \\ { \tt{a + 36.2 \degree + 90 \degree = 180 \degree}} \\ { \tt{a = (180 - 36.2 - 90) \degree}} \\ { \tt{a = 53.8 \degree}}$

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2 years ago

What is the area of the parallelogram?

Kryger [21]

Answer:

Step-by-step explanation:

A=bh

A=11.40*6.90

A=78.66 cm^2

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3 years ago

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I need help with geometry

GREYUIT [131]

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Answer:

Step-by-step explanation:

Attached is a copy of the figure with some of the clutter removed. The congruent angles marked with a single arc, and the parallel lines are given.

The angles marked with a double arc are congruent because they are alternate interior angles where transversal XZ crosses parallel lines XW and YZ. Of course, side XZ is congruent to itself.

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3 years ago

Help i need big brain answers!!!! At what position on the number line is the red dot located?

rewona [7]

Answer:

it is 57

Step-by-step explanation:

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