🍍 8.4.9 Polygons HW Practice

Recall the formula for the sum of interior angles in a polygon.

null

1

Find the sum of the measures of the interior angles of the polygon.
octagon (8-sides)

1

1

1

Given ∆RST ≅ ∆CDE, identify the congruent parts.

∠R ≅∠ ∠S ≅ ∠ ∠T ≅∠

RS ≅ RT ≅ ST ≅

1

Find the measure for each blank.

∆ADE ≅ ∆LMK

null

m∠E = ° m∠L = ° m∠M = °

AD = cm MK = cm KL = cm

1

If ∆BCD ≅ ∆FGH, solve for x, y, and z.

null

x =

1

If ∆BCD ≅ ∆FGH, solve for x, y, and z.

null

y =

1

If ∆BCD ≅ ∆FGH, solve for x, y, and z.

null

z =