Which of the following is false for a Δ ABC?
AB + BC > AC
AC + BC > AB
BC < AC + AB
AB + BC < AC
Find the value of x.
110o
100o
95o
80o
The one side of a triangle is 7.5 cm and altitude to it from the opposite vertex is 4 cm.Then its area is
10 sq.cm
15 sq.cm
25 sq.cm
30 sq.cm
Area of a right angled triangle is
Half the product of the angles
Half the product of its base and height
Half the product of there sides
None of these
If two angles of a triangle are 60o and 40o, find the third angle.
60o
40o
The longest side in the triangle PQR right angled at P is
PQ
PR
RQ
QP
If AB = 3 cm, BC = 4 cm AC = 6 cm. Then ΔABC is a/an
Equilateral triangle
Isosceles triangle
Scalene triangle
Right triangle
If one side of an isosceles triangle is 10 cm and the measure of equal sides are 12 cm each. Find the perimeter?
34 cm
24 cm
22 cm
12 cm
Angles Q and R of a Δ PQR are 25o and 65o. Which of the following is true.
PQ2 + QR2 = RP2
PQ2 + RP2 = QR2
RP2 - QR2 = PQ2
PQ2 - RP2 = QR2
If ∠ A = 80o, ∠ B = 60o, ∠ C = 40o, then ΔABC is a/an
Acute angled triangle
Right angled triangle
Obtuse angled triangle
