Find the area of triangle ABC, where AC is 10 mm and BA=BC, and angle CAB is 70 degrees.

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Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

Asphere has a diameter of 10 in. what is the volume of the sphere?