yes
a semi-circle only has one line of symmetry
None.
x = (2n+1)*pi/2 radians for any integer n.
A trapezium has 4 right angles...Correction: it has 4 angles but they are not right angles. A structure/shape with 4 right angles is a rectangle or square.
When talking about the area of a roof, remember that it is not the same as the square footage of the structure. For example a 20 x 30' building with a 12" overhang and a 4/12 pitch will have 736 sq ft of roof vs only 600 sq ft of slab. One square of shingles covers 100 square feet. 15 year shingles come 3 bundles to a square. 25 year come 4 bundles to a square.
a square has 4 lines of symmetry.
A square has 4 lines of symmetry.
a square can have 4 lines of symmetry or more
it has 4 lines of symmetry
Yes it has 4 lines of symmetry.
A square has 4 lines of symmetry
A square has four lines of symmetry!
It means 4 lines of symmetry as for example a square has 4 lines of symmetry
A square has 4 lines of symmetry
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A square has four lines of symmetry.
Yes it has 4 lines of symmetry