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LekaFEV [45]
3 years ago
9

What is the area of this figure?

Mathematics
1 answer:
aleksley [76]3 years ago
7 0
Find:  1) the area of a circle of diamter 5 feet and radius 5/2 feet.
           2) the area of a triangle with height 4 ft and base 6 ft.

Add these 2 results together:  pi*(5/2)^2 + (1/2)(6)(4)   ft

The trick here is to recognize basic shapes, find their areas separately and add the results.


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Triangle DEF is a right triangle. Angle F is a right angle and m∠E=29°.<br><br> What is m∠D?
Aleksandr-060686 [28]

All triangles have 180o in them when the 3 angles making them up are added together.


Givens

F = 90

E = 29

D = ???


Equation

<D + <E + <F = 180


Substitute and solve

<D + 90 + 29 = 180

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<D = 180 - 119

<D = 61

5 0
3 years ago
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