I really need help i dont understand geometry please answer both

see explanation

Step-by-step explanation:

Using the tangent ratio in the right triangle.

tan35° = = ( multiply both sides by 100 )

100 × tan35° = opp , that is

opp ≈ 100 × 0.7002 = 70.02

Thus height of tree = 70.02 + 5 = 75.02 ft

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Using the tangent ratio in the right triangle on the right.

tan40° = = ( multiply both sides by rope )

rope × tan40° = 25.17 ( divide both sides by tan40° )

rope = = = 30 ft

question

given the diagram below, what is md?

the sum of the interior angles is 360°

take away from 360 the sum of the knows angles and you will have the angle d.

360 - 108 - 108 - 72 = 72°