Geometryhard · Past Paper
The points (3, 0), (6, 4), and (-1, 3) form which type of triangle?
AEquilateral
BIsosceles
CRight-angled
DScalene
✓ Correct Answer: C — Right-angled
Lengths of sides: sqrt(3^2+4^2)=5, sqrt(7^2+1^2)=sqrt(50), sqrt(4^2+3^2)=5. 5^2+5^2 = (sqrt(50))^2, so it is right-angled and isosceles.
Share this question
More from Geometry
- If the length of a transverse common tangent to two circles is 8 cm and the radii are 5 cm and 1 cm, find the distance between centers.
- In a triangle, if the centroid and the orthocenter coincide, the triangle must be:
- In a triangle ABC, internal bisector of angle A meets BC at D. If AD is also perpendicular to BC, the triangle is:
- The ratio of the corresponding altitudes of two similar triangles is 3:4. What is the ratio of their areas?
- In a circle with center O, chords AB and CD are equal. If angle AOB = 70 degrees, what is angle COD?