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🍍 8.4.9 Polygons HW Practice
By Angela Falk
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Last updated about 1 month ago
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Recall the formula for the sum of interior angles in a polygon.
Question 1
1.
Find the sum of the measures of the interior angles of the polygon.
octagon (8-sides)
Question 2
2.
Find the sum of the measures of the interior angles of the polygon.
30-gon (30-sides)
Question 3
3.
A heptagon has interior angles that measure 109°, 143°, 120°, 152°, 117°, and 84°.
What must be the measure of the remaining angle?
visibility
View drawing
Question 4
4.
Given ∆RST ≅ ∆CDE, identify the congruent parts.
∠R ≅∠_______ ∠S ≅ ∠_______ ∠T ≅∠_______
RS ≅ _______ RT ≅ _______ ST ≅ _______
Question 5
5.
Find the measure for each blank.
∆ADE ≅ ∆LMK
m∠E = _______ ° m∠L = _______ ° m∠M = _______ °
AD =_______ cm MK = _______ cm KL = _______ cm
Question 6
6.
If ∆BCD ≅ ∆FGH, solve for x, y, and z.
x = _______
visibility
View drawing
Question 7
7.
If ∆BCD ≅ ∆FGH, solve for x, y, and z.
y = _______
visibility
View drawing
Question 8
8.
If ∆BCD ≅ ∆FGH, solve for x, y, and z.
z = _______
visibility
View drawing