The reciprocal of 7/2 is 2/7
You can use the sum of angles identities, then rearrange to put the result in the form of tangents.
Answer:
a = 120 cm²
Step-by-step explanation:
n = number of sides
edge length
40/n
divide the polygon into n congruent triangles
a = (1/2)(edge * apothem) * number of triangles
a = (1/2)(40/n)(6) * n
n cancels out
a = (1/2)(40)(6)
a = 120 cm²
Answer:
61
Step-by-step explanation:
79 + 40 = 119
180 - 119 = 61
Step-by-step explanation:
here you have the answers