All angles in a triangle add up to 180°
So add the other two angles
90+35=125
Subtract the sum from 180
180-125=55
Angle b is 55°
Answer:

Step-by-step explanation:
To find the area of an equilateral triangle, we can apply a formula.


The side length is given a.
Plug a in the formula as the side length.

Answer:
The tree is 14 ft. tall.
Step-by-step explanation:
Height of the building/ Height of the tree = Shadow of building/ Shadow of tree
30/x = 75/35 Cross multiply
75x = (30)(35)
75x = 1050
x = 1050/75
x = 14
Answer:
=
−
3
/2
Precalculus, Matrix
Rearrange terms, Combine multiplied terms into a single fraction, distribute, Multiply all terms by the same value to eliminate fraction denominators, Multiply all terms by the same value to eliminate fraction denominators
. Cancel multiplied terms that are in the denominator
. Multiply the numbers
. Add 4 to both sides of the equation
. Simplify.
Divide both sides of the equation by the same term . Simplify
Answer:
6
Step-by-step explanation: