Draw Triangles With Given Sides

Determine whether it is possible to draw a triangle with sides of the given measures. 20cm, 12cm, 30cm.

• yes

• no

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4

• 55.2

• 20.15

• 19.4

Find the length of side w.

• 21.4 cm

• 18.0 cm

• 36.5 cm

• 43.6 cm

Select all choices which could be the measure of the sides of a triangle.

• 3in, 5in, 12in

• 8ft, 7ft, 1ft

• 15m, 32m, 18m

• 5in, 9in, 6in

• 12km, 6km, ,12km

Draw the following triangle and label the sides (a,b,c) and their corresponding opposite angles (A,B,C).  A = 58⁰, B = 76⁰  and  c = 8, using your diagram decide which rule to use and find the size of angle C.

• 136⁰

• 96⁰

• 50⁰

• 46⁰

What is the length of side x?

• 130 cm

• 112 cm

• 150 cm

• 105 cm

Find the length of side AC

• 12

• 10

• 23

• 14

Use the Cosine rule to find the size of angle x. 

• 41.7

• 51.7

• 61.7

• 71.7

Draw the following triangle and label the sides (a,b,c) and their corresponding opposite angles (A,B,C). 
A = 58⁰, B = 76⁰  and  c = 8, use the Sine rule to find the length of side a.  

• 9

• 8

• 7

• 6

Find the size of angle A?

• 50 degrees

• 60 degrees

• 78 degrees

• 74 degrees