Answer correctly for brainleist and 5 mark
1 answer:
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Answer:
Step-by-step explanation:
Area of a triangle is 1/2 * b * h
b = base, the one labeled b on the diagram
h = height, the dotted line in the middle
so, you do pythagorean theorem with a and b to find the dotted line
a² + b² = h² (h is for height)
h =
Then, you just plug in the numbers from question 3 to find h and then you do
1/2 * b * h