Answer:
84 cm²
Step-by-step explanation:
Area triangle = 1/2(b x h)
Area = 1/2(21 x 8)
Area = 1/2(168)
Area = 84
-Chetan K
y^12/5
(9x^(5)y^(16))/(45x^(5)y^(4))
20$ is the answer of your question
