Which one of these is a right-angled isosceles triangle?
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Show Worked Solution
| `text(Other angle)` | `= 180 – (45 + 45)` |
| `= 90^@` |
`:.\ text(It is right-angled isosceles.)`
Geometry, NAP-A3-NC27
Tom drew this shape on grid paper.
Which one of the shapes below when joined to Tom's shape without an overlap, will not make isosceles triangle?
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Show Worked Solution
Geometry, NAP-B3-CA28
A triangle is divided into 2 parts by a straight line.
The angles are then labelled.
Which statement is true about the sum of angles?
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`b + c + d = 180^@` |
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`c + d + e = 360^@` |
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`a + b + f + g = 360^@` |
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`d + e + f + g = 180^@` |
Geometry, NAP-G3-CA11
A ramp rises 1 metre for every 8 metres of its base length.
If it rises 0.7 metres, what is its base length?
| `5.6\ text(metres)` | `8.7\ text(metres)` | `11.4\ text(metres)` | `16\ text(metres)` |
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Geometry, NAP-I3-NC22
Which statement about the triangle pictured above is correct?
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it is a right-angled triangle. |
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it is a scalene triangle. |
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it s an equilateral triangle. |
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it is an obtuse triangle. |
Geometry, NAP-G4-NC18
`AB` is the diameter of a circle, centre `O`.
There are 3 triangles drawn in the lower semi-circle and the angles at the centre are all equal to `x^@`.
The three triangles are best described as:
| `text(isosceles)` | `text(scalene)` | `text(right-angled)` | `text(equilateral)` |
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