Answer:
The length of AD is 1 unit
Step-by-step explanation:
Let us solve the question
In Δ ABC
∵ ∠B is a right angle
∵ BD is perpendicular to the hypotenuse AC
∴ (AB)² = AD × AC ⇒ rule
∵ AB = 3 units
∵ AC = 9 units
∵ AD = x
→ Substitute them in the rule above
∴ (3)² = x × 9
∴ 9 = 9x
→ Divide both sides by 9
∵ =
∴ 1 = x
∴ The length of AD is 1 unit
Answer:
b
Step-by-step explanation:
Answer:
24.5 ft.
Step-by-step explanation:
40 divided by 2 is 20.
14 divided by 2 is 7.
20 times 3 is 60
7 times 3 is 21 ft.
Since you're trying to get to 70ft long just add 10 instead of 20.
That mans you are only adding 3.5 to 21.
My answer should be right but my work is pretty bad lol.
Answer:
$94.50
Step-by-step explanation:
you saved $31.50
Answer:
All squares are parallelograms, and all rectangles are quadrilaterals are both true
Step-by-step explanation: