6:05 Prediction Test ARITHEMETIC MATH PARAGRAPH WORD REASONING KNOWLEDGE COMPREHEN... KNOWLEDGE 14 | 16 What is the area of a triangle with base of 9 feet and height 5 ft ? A 45 B 14 C 28 D 22.5 Time 1: 0...
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To find the area of a triangle, we use the formula: Area = (1/2) × base × height. In this case, with a base of 9 feet and a height of 5 feet, the calculation would be (1/2) × 9 × 5, which equals 22.5 square feet. So, the correct answer is D, 22.5! Now, let’s talk about the fun part: triangles! Did you know that the ancient Egyptians used triangle shapes in their architecture and land surveying? The famous Pythagorean theorem, which deals with right-angled triangles, was known to them and helped in building the pyramids. Triangles are not just mathematical figures; they’re a foundational element of many structures and art forms!