∠BDC=30, so ∠CBD + ∠BCD=180-30=150
ΔDBC is isosceles, so ∠CBD=∠BCD=half of 150=75
∠ABC=∠ABD-∠CBD=155-75=80
ΔABC is isosceles, so ∠ABC=∠ACB=80
∠BAC=180-80-80=20

7 0

4 years ago

Kite ABCD has an area of 48 ft2. Calculate the length of AC. A. 6 ft B. 12 ft C. 18 ft

Harman [31]

Answer:

B. 12ft

Step-by-step explanation:

Area of kite is 2 times the area of triangle

= 2[(1/2)(4)AC] = 48, ie., AC = 12 ft

3 0

3 years ago

What is an Azimuth?

masha68 [24]

Answer:

A. A horizontal angle measured clockwise from a north base line

Step-by-step explanation:

A horizontal angle measured clockwise from a north base line

5 0

3 years ago

Solve for x using the distributive property. 5(2x - 7) = 5

solniwko [45]

Answer:

x=4

Step-by-step explanation:

10x-35=5

10x=5+35

10x=40

x=4

(distributive property was just multiplying 5 by both numbers in the parentheses)

3 0

3 years ago

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