Find the distance across the lake. Assume the triangles are similar. 
A. 190 m 
B. 235 m 
C. 210 m 
D. 490 m
                                             
                                          
                                          
                                        
											 
											Answer:
210
Step-by-step explanation:
20 * 3 = 60
since the trianlges are similar we know that
70 * 30 =210