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Kipish [7]
3 years ago
5

Name the pair of complementary angles and pair of supplementary angles​

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
8 0

Complementary angles are those angles whose sum is 90

Supplementary angles are those angles whose sum is 180

<QTS= 150

<RTS=60

<VWU= 30

Hence <QTS + <VWU = 150+30= 180 are supplementary angles

and <RTS + <VWU= 60+30 = 90 are complementary angles

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A standard clock has a 1-cm hour hand and a 2-cm minute hand. At 12 pm, they are both pointing in the same direction and the dis
Levart [38]

Answer:

The distance between the hands is √(3)cm ≈ 1.73cm.

Step-by-step explanation:

In a standard clock, the angle between every number is 30°, therefore the angle between 12 and 2 will be 30° x 2 = 60°.

Looking at the diagram, to find c we can make use of our cosine formula

c² = a² + b² –2abCos(C°)

a = 2, b = 1 and C° = 60°

Therefore we have:

c² = 2² + 1² –2 x 2 x 1 x cos(60°) =

c² = 4 + 1 – 4 x 0.5 =

c² = 5 – 2 =

c² = 3

c = √(3) ≈ 1.73

Therefore, the distance between the hands is √(3)cm ≈ 1.73cm.

8 0
2 years ago
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Ipatiy [6.2K]

Answer:

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Step-by-step explanation:

8 0
3 years ago
A box contains
GarryVolchara [31]
The first one is 7/10 and the second one is 5/10
5 0
3 years ago
Read 2 more answers
3. Jolene gets paid 17 cents a tree for tree planting up north. In one week she planted 2437 trees. What i
mafiozo [28]

Answer:

Wage of Jolene is 414.29 dollars per week

Step-by-step explanation:

Amount received by Jolene for planting a tree is 17 cents

Given

Total amount of trees planted in a week =   2437

Wage of Jolene is equal to product of number of trees planted and amount paid for planting one tree

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4 0
2 years ago
The length of a rectangle is x feet more than its width. The area of the rectangle is 5x + 25. What is the width of the rectangl
AVprozaik [17]

Answer:

w = l + \frac{25 - l^{2}}{l - 5}

(Anyone can correct me if I'm wrong)

Step-by-step explanation:

Before we start the solving, we can make the following statements:

Area = l x w

Area = 5x + 25

therefore,

l x w = 5x + 25

Since the question states that the length is x more than the width, so we can make the following statement:

w = l + x

With this, we can substitute it to the first statement we made, l x w = 5x + 25,

l x (l + x) = 5x + 25

l^{2} + lx = 5x + 25

lx - 5x = 25 - l^{2}

x(l - 5) = 25 - l^{2}

x = \frac{25 - l^{2}}{l - 5}

From this, we can find w by substituting it in the statement we made earlier, w = l + x,

w = l + \frac{25 - l^{2}}{l - 5}

6 0
3 years ago
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