Mathematics

Triangle angles 85°, 89°. Third?

Square side 69. Perimeter?

Square side 5. Perimeter?

Square side 85. Perimeter?

Triangle angles 133°, 41°. Third?

Rectangle 192×381. Area?

Circle radius 35. Circumference? (π=22/7)

Triangle angles 109°, 65°. Third?

Circle radius 39. Circumference? (π=22/7)

Square side 105. Perimeter?

Circle radius 127. Circumference? (π=22/7)

Rectangle 200×397. Area?

Square side 181. Perimeter?

Rectangle 8×13. Area?

Triangle angles 225°, -51°. Third?

Square side 17. Perimeter?

Rectangle 120×237. Area?

Square side 185. Perimeter?

Square side 37. Perimeter?

Circle radius 183. Circumference? (π=22/7)

Circle radius 15. Circumference? (π=22/7)

Triangle angles 189°, -15°. Third?

Rectangle 128×253. Area?

Square side 13. Perimeter?

Rectangle 100×197. Area?