From the figure, how many square units are the area of a triangle xwy when yw=zw?
A. 1.84
B. 1.42
C. 0.42
D. 0.84

Answer:
0.42
Step-by-step explanation:
→ Use Pythagoras to find YZ
√2.5² - 0.7² = 2.4
→ Half the answer to find YW
2.4 ÷ 2 = 1.2
→ Substitute the values into the formula for the area of a triangle
0.5 × 0.7 × 1.2 = 0.42