15
QuizMultiple Choice

Dot Product and Work — Unit test

Question 15 • Precalculus

Triangle RST has sides measuring 22 inches and 13 inches and a perimeter of 50 inches. What is the area of triangle RST? Round to the nearest square inch.Heron’s formula: Area

Question illustration
Answer
A
19 square inches
B
37 square inches
C
60 square inches
D
95 square inches