4 years ago

Please help me answer the question on this image!!!

Mathematics

1 answer:

NikAS [45]4 years ago

5 0

Answer:

(0,10)

Step-by-step explanation:

Let, the sides be a and b.

Then, (1/2)*a*b = 25 or, ab = 50

Length of given side = 5 [ It's on x-axis and starts from origin to 5 units right ]

So, the other side = 50/5 = 10

The other side is along y-axis from origin. So, its coordinate is (0,10)

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grin007 [14]

Step-by-step explanation:

We have,

l =5ft

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The area of the base of the oblique pentagonal pyramid is 50 cm^2 and the distance from the apex to the center of the pentagon i

Verdich [7]

The complete question in the attached figure

Part a)
we know that
ABC is a right triangle
∠ACB=45°
AC=hypotenuse------> 6√2 cm
sin 45=AB/AC-----> AB=AC*sin 45----> AB=6√2*√2/2----> AB=6 cm

the answer part a) is
AB=6 cm

Part b)
we know that
volume of the pyramid=(1/3)*Area of the base*height
area of the base=50 cm²
height=6 cm
so
volume of the pyramid=(1/3)*50*6----> 100 cm³

the answer part b) is
100 cm³