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xeze [42]
2 years ago
15

Solve for x in the triangle

Mathematics
1 answer:
scZoUnD [109]2 years ago
7 0
Answer: 69
explanation: right angles equal to 90 degrees, so 90-21= 69
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50-3n what is the value of n
zavuch27 [327]

Step-by-step explanation:

50-3n

or,50=3n

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or,n=16.67

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3 years ago
Find the area of each shape, please help and I will give a lot points
Alex73 [517]

Answer:

15. Area of parallelogram = bh

    b = 9m

    h = 4m

    a = 9*4 = 36m^2

   You can also use the rectangle property here.

    a = l*b

    l = 9

    b = 6

    a = 9*6 = 54 m^2

    Though I would prefer the first one better.

16. Area of triangle = 1/2*bh

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    h = 3

    a = 17*3/2 = 51/2 = 25.5m^2

18. Area of a trapezium = a+b/2*h (a and b are two parallel sides and h the            height)

a = 15

b = 7

h = 15

a = 15+7/2*15 = 22/2*15 = 11*15 = 165m^2

19. Area of triangle = 1/2*bh

    b = 24

    h = 7

    a = 24*7/2 = 168/2 = 84

Hope u understood

Please mark as brainliest

Thank You

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Step-by-step explanation:

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