Classify each triangle by its angles and by its sides. (Examples 1 & 2) 4. 5. 6. 45 10.6 cm 8 ft 8 ft 5.5 cm 125 25 60 60 8ft 6.5 cm 45 7. Algebra AABC is an isosceles triangle with base BC. Find AB and BC. (Example 3) 3x-1 2x + 3 5.

Q: Is triangle ABC a right triangle? B. 12 9. 18 Yes No

A: A triangle is said to be a right triangle if one of its angle is 90° and sum of other two angle is…

Q: 5- C -10 -5 5 10 -5- -10 Determine the area of Triangle ABC.

A: topic- area of triangle

Q: In parallelogram HIJK, angle I has a measure of 45° and side HI has a measure of 7 cm. Angle K has a…

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Q: ED E DE C

A:

Q: Now look at the big triangle ABC. Find the length of AB

A: in △ABD m∠ADB=90°

Q: In AABC pictured to the right, LB is a right angle and BD is the altitude. How many triangles do you…

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Q: KI

A:

Q: What is the sum of the interior angles of the polygon pictured below?

A: Here we have to find the sum of the interior angles of the given polygon.

Q: 8. Solve the triangle. Find mZA, mZB, and z. 11cm B 19cm

A: The solution is given in the next step.

Q: 1. Finding Årea What is the area of the triangle? 12 cm 48° 21 cm

A: Angle C = 48° b = 12 cm a = 21 cm

Q: De 13. Rectangle STUW is 20 in. 8 in., E5 in.- What is ST ?

A: Given Information: SV =20 inches TV = 8 inches UV = 5 inches

Q: 3√21 6 15 BIC

A: We are asked to state is this right triangle