Idk this answer because no triangles are shaded.
Answer: 50 cubic in .
Step-by-step explanation: 10x2= 20 and then 20x2.5=50
Answer:
Step-by-step explanation:
Using sine rule
SinA/a = SinB/b = SinC/c
A = 84° a = BC, C = 51°, c = 16
Sin84/BC = Sin51/16
Cross multiply
BC Sin51 = 16 × Sin84
BC = 15.91/Sin51
BC = 20.48unit