How many 4-digit numbers which are greater than 5000can be formed using the digits 7,0,5and 4?
2 answers:
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Answer:
<h2>Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about</h3>- area of triangles
- area of rectangle
- PEMDAS
- rectangle opposite sides are equal
- area of rectangle:l×w
- area of triangle:½×h×b
the area of the rectangle is
4×7 in²
28 in²
the area of above triangle is
½×6×7 in²
3×7 in²
21 in²
the area of left side triangle is
½×5×4 in²
2×5 in²
10 in²
therefore,
the area of the polygon is
28+21+10 in²
<h3>59 in²</h3>