Question

Find the volume of a cuboid box whose surface area is 486 cm square
{answer in Japanese language}​

Answer 1

与えられた：

表面は立方体= 486 cm ²

6 a ² = 486

$a = \frac{486}{6 \frac{x}{y} } \\ a = \sqrt{81} \\ a = 9cm$

ボリューム=a³

体積=729cm³

それがあなたを助けてくれますように^ _ ^

Answer 2

Step-by-step explanation:

In triangle ABC, if AB=BC and ∠B = 70°, ∠A will be:

a. 70°

b. 110°

c. 55°

d. 130°