Answer:
B and D
Step-by-step explanation:
A
× 13 =
=
= 10
< 13
B
4 × 13 = 52 > 13
C
× 13 =
=
= 4
< 13
D
× 13 = 1 × 13 = 13
Band D are equal to or greater than 13
A quadrilaterals consecutive angles measure (3x+10), (9x+50), (4x), and (13x+10). Determine the value of x.
1 answer:
The value of x is 10
Step-by-step explanation:
We know that the sum of internal angles of a quadrilateral is 360 degrees
So,
Given
Angle 1 = A1 = 3x+10
Angle 2 = A2 = 9x+50
Angle 3 = A3 = 4x
Angle 4 = A4 = 13x+10
So,
Subtracting 70 from both sides
Dividing both sides by 29
Hence,
The value of x is 10
Keywords: Angles, Quadrilateral
Learn more about angles at:
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Answer:
The new ramp must be 54 inches long than the old ramp to meet the requirement of the new law
Step-by-step explanation:
Old height to length ratio is:
h : l = 2 : 15.
Height of old ramp h = 12
Length of old ramp can be find out by putting h = 12 in the above ratio
Length of old ramp = 90
Height to length ratio by current law:
h : l = 1 : 12
Height will be the same i.e. h = 12
Length of new ramp = 144
How much longer the new ramp should be to meet the new ratio law:
New length - Old length = 144 - 90 = 54 inches