The area of a triangle is 10 sq cm. The angle between two of the sides of length 6 cm and 8 cm resp. are obtuse. Work out the size of this angle.

1
6.66
2.96
The area of a triangle is 10 sq cm. The angle
between two of the sides of length 6 cm and 8 cm
resp. are obtuse. Work out the size of this
angle.
In the triangle below work out the value of the
area.
3 cm
5 cm
40
2
13.7
11.2
The sides of a triangle are 3,5 and 7 cm. Show
that the largest angle is 120 and find the area.
Triangle ABC is such that AB 4cm, BC 6 cm and
angle ACB 36. Find the length AC.
3
6.50
22.3
A triangle has sides AB 4.5 cm, BC 6.8 cm and
angle ACB 30. Find the largest angle.
From a point A a boat sails due north for 7 km to
B. The boat leaves B and moves on a bearing of
100 for 20 km until it reaches C. calculate the
distance C from A.
4
101 or 131
104
A helicopter flies on a bearing of 080 from A to
B where AB 50km.It then flies for 60 km to a
point C. Given that C is 80 km from A calculate
the bearing of C from A.
In triangle ABC AB 5 cm , BC 6 cm and AC 10
cm. Calculate the value of the largest angle.
5
128.5 or 31.5
108.4
The lengths of a triangle are in the ratio 234.
calculate the largest angle.
In triangle ABC AB 9.3, BC 6.2 and AC 12.7.
calculate the value of the largest angle.