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2 years ago

Can someone help me please thanks.One is already done for us at 110 can someone help me with the rest of the angles

Mathematics

1 answer:

joja [24]2 years ago

5 0

Answer:

1=110 degrees given

2=70 degrees

3=80 degrees

4=100 degrees

Step-by-step explanation:

1=110

2=180-110=70

3=1/2(100+60)=80 by the angle formed by two chords theorem

4=1/2(80+120)=100 by the angle formed by two chords theorem

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Answer:

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2 years ago

Find the area of this trapezoid. Include the correct unit in your answer.

NemiM [27]

Answer:

$\displaystyle A _{ \text{trapezoid}} = 70 {m}^{2}$

Step-by-step explanation:

we are given a trapezoid

we want to figure out the area

remember that,

$\displaystyle A _{ \text{trapezoid}} = \frac{a + b}{2} h$

where a and b represent the parallel lines and h represents the height

we get from the pic that a and b are 5 and 15 respectively and h is 7

so substitute:

$\displaystyle A _{ \text{trapezoid}} = \frac{5 + 15}{2} \times 7$

simplify addition:

$\displaystyle A _{ \text{trapezoid}} = \frac{20}{2} \times 7$

simplify division:

$\displaystyle A _{ \text{trapezoid}} = 10\times 7$

simplify multiplication:

$\displaystyle A _{ \text{trapezoid}} = 70$

since we multiply two same units we of course have to use square unit

hence,

$\displaystyle A _{ \text{trapezoid}} = 70 {m}^{2}$

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2 years ago

Find the radius or diameter of each circle with the given dimensions.<br><br> d=30 m

Alex_Xolod [135]

Answer:

r=94.2

Step-by-step explanation:

C=pi`d

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3 years ago

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