MCQ
A triangle whose all three angles are acute is called a:
Unit-9 Geometry and Polygons
A
Right-angled triangle
B
Obtuse triangle
C
Acute triangle
D
Equilateral triangle
Explanation
An acute triangle has all angles less than 90 degrees.
Related MCQs
The sum of the interior angles of a hexagon is how many times the sum for a triangle?
Unit-9 Geometry and Polygons
View
A regular polygon has each exterior angle equal to 60 degrees. The number of its sides is:
Unit-9 Geometry and Polygons
View
A regular polygon has each exterior angle equal to 45 degrees. The number of its sides is:
Unit-9 Geometry and Polygons
View
The area of a rhombus whose diagonals are 6 cm and 8 cm is:
Unit-9 Geometry and Polygons
View
A decagon is a polygon with:
Unit-9 Geometry and Polygons
View
The perimeter of a regular hexagon with side 7 cm is:
Unit-9 Geometry and Polygons
View