Question

a given AB=3cm, AC=5cm,b=30°, ABC cannot be uniquely construct with AC as base why ​

Answer 1

Answer:

C is the best

Step-by-step explanation:

The information of two sides and an angle is given, which means we could potentially draw a triangle using SAS criterion. However, SAS criterion requires the measurement of the included angle between the two sides which has a common vertex. But from the information provided,

∠

B

is given and the sides are

¯¯¯¯¯¯¯¯

A

B

and

¯¯¯¯¯¯¯¯

A

C

which means that

∠

B

is not the included angle. Hence we cannot construct a unique triangle with AC as the base