Its the second because i did this already
Answer:
-14
Step-by-step explanation:
a·b = |a|×|b|×cos(angle between them)
= 4×7×(-1/2)
= -14
Answer:
A variable is an input variable if its Input property is Yes. Its value can be input from an external source, such as an Architect call flow. A variable whose Output property is Yes is an output variable.Since both properties can be set to yes, a variable can be both an input variable and an output variable.
Step-by-step explanation:
Answer:
Step-by-step explanation:
If two triangles are congruent, then the corresponding sides and angles are congruent with each other.
<u>Given:</u>
<u>The following are congruent parts:</u>
- ∠E ≅ ∠U
- RE ≅ SU
- ∠DRE ≅ ∠NSU
- ∠R ≅ ∠S
<u>Note</u> <em>Pay attention to order of vertices when comparing the congruent parts</em>