2 answers:
Answer:
√63
Step-by-step explanation:
a² + b² = c²
1²=1
8²= 64
now think what + 1 = 64
√63
Answer:
b= √63
b ≈ 7.94
Step-by-step explanation:
Pythagorean theorem:
a² + b² = c²
b² = c² - a²
b=√c²﹣a²
b= √ (8)² - (1)²
b=√ 64 - 1
b= √63
b ≈ 7.94
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