Answer:
Option D
Step-by-step explanation:
The area of a kite is expressed as .
We are given the following:
Substitute the diagonals in the formula and simplify;
Thus, Option D is correct.
Learn more about kites: brainly.com/question/2292872
720
178.3 mm²
Surface area = Base area + 3 x side triangles area
Sₐ = 43.3 + 3 x (1/2 x (10 x 9)) = 43.3 + (3 x 45) = 178.3