Hey there!
The answer is false. A 90 degree angle is called a right triangle. Any angle less than 90 degree is called an acute angle. Any angle more than 90 degree is called an obtuse angle
Answer:
Step-by-step explanation:
square-based pyramid:
volume V = (⅓)b²h
= (⅓)7²·16
≅ 261.3 ft³
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Can't help with question 3. I haven't learned triangle-based pyramids.
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cone:
volume V = ⅓πr²h
= ⅓π17²·20
= 6052.8 yd³
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can't help with question 7. Never did this kind of pyramid.
Sin E is B. 1.
After making an equation i came up with this.
Answer:
The son is 10, and the father is 50.
Step-by-step explanation:
10 times 5 would be 50, and 50+10 is 60.
