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Grade 7 - Mathematics
7.13 Geometry Triangles - Review Test
: The perimeter of a triangle
ABC is given by 45 cm. If the length of the side AB is 2 more than the length of the side BC and length of the side BC is 5 more than the length of the side CA, then the length of side AB is _________.
: If angle A = angle B + angle C, then angle A is ______.
: The angles 30 degrees, 60 degrees and 90 degrees represents a (an) ________ angled triangle.
: The side opposite to the right angle in a right angled triangle is called the ________ of the triangle.
: The angles 90 degrees, 45 degrees and 45 degrees represents a (an) ________ triangle.
Obtuse angled scalene
Right angled isosceles
Acute angled isosceles
: The incentre of a triangle is equidistant from its _____.
: A triangle always has _____.
Exactly one acute angle
Exactly one right angle
Exactly two acute angles
At least two acute angles
: In a right-angled triangle its orthocentre coincides with the _________.
midpoint of the hypotenuse
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