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2 years ago

Find the measure of the missing angle

Mathematics

2 answers:

stiv31 [10]2 years ago

8 0

Answer: 71 degrees

Step-by-step explanation:

180- 109 = 71 degrees

m_a_m_a [10]2 years ago

5 0

For finding the measure of x it will be X=71

Because everything has to equal 360 so, 360 -109 two times because obvious that it’s the same on both side so -109+-109 is -218 so 360-218 it gives you -142 so divid that for two and you get x=71

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The world's smallest plane has a length of 12 feet and the world's longest plane has a length of 302 feet. Write an absolute val

inessss [21]

Answer:

| 157 +/- 145 |

Step-by-step explanation:

302-12 = 290 total range

290/2 = 145 absolute value range

| 157 +/- 145 |

The two answers to that are 12 and 301

3 0

2 years ago

If the angles 2xº and 4yº are complementary, find the value of x + 2y.

ivolga24 [154]

Answer:

Solution given:

the angles 2xº and 4yºare complementary

2x+4y=90°

dividing both side by 2we get

x+2y=45°

the value of x + 2y is 45°.

3 0

3 years ago

Help me please, Find a, b, and c.

Mama L [17]

Answer:

a = $6*\sqrt{3}$

b = 12

c = $6\sqrt{2}$

Step-by-step explanation:

Since the triangles are right triangles with 60 and 45 degree angles, their side lengths follow special triangles.

A 45-45-90 right triangle has side lengths $1-1-\sqrt{2}$ .

A 30-60-90 right triangle has side lengths $1 - \sqrt{3} -2$ .

Starting with the top triangle which has a 60 degree angle, its side length 6 corresponds to a side length of 1 in the special triangle. It is 6 times bigger so its remaining sides will be 6 times bigger too.

Side a corresponds to side length $\sqrt{3}$ . Therefore, $a = 6*\sqrt{3}$ .

Side b corresponds to side length 2, b = 2*6 = 12.

The bottom triangle has a 45 degree angle, its side length b= 12 corresponds to $\sqrt{2}$ . This means $\sqrt{2}$ was multiplied by $12 = \sqrt{2} * \sqrt{72}$ . This means that side c is $\sqrt{72}=6\sqrt{2}$ .