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Laabri

🍍 8.4.9 Polygons HW Practice

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Last updated 6 months ago
8 Nsɛmmisa

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

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Find the sum of the measures of the interior angles of the polygon.

octagon (8-sides)

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Find the sum of the measures of the interior angles of the polygon.

30-gon (30-sides)

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

A heptagon has interior angles that measure 109°, 143°, 120°, 152°, 117°, and 84°.

What must be the measure of the remaining angle?

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

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

∠R ≅∠ ∠S ≅ ∠ ∠T ≅∠

RS ≅ RT ≅ ST ≅

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

Find the measure for each blank.

∆ADE ≅ ∆LMK

m∠E = ° m∠L = ° m∠M = °

AD = cm MK = cm KL = cm

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

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

x =

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7.

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

y =

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

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

z =